蚌埠2017/1/1-2017/12/31空气质量数据下载，蚌埠空气污染指数查询_蚌埠AQI历史数据下载

视野空气质量-空气污染指数查询站+关注

当前位置：首页 > 空气数据 > [蚌埠] - 蚌埠空气质量数据下载

蚌埠2017空气质量数据

更多下载与查询

蚌埠2017年空气质量数据已查询136次

蚌埠空气质量数据（2017/1/1-2017/12/31）
数据单位：μg/m³（co为mg/m³）
日期	AQI	PM2.5	SO2	PM10	O3	NO2	CO	温度? 更多参数请点击【蚌埠天气】	湿度
2017/12/31	253	203	30	285	43	76	1.805	3	72
2017/12/30	277	227	17	270	28	71	1.944	4	89
2017/12/29	207	157	18	193	20	72	1.516	5	94
2017/12/28	154	118	29	173	20	78	1.242	7	76
2017/12/27	142	108	42	166	34	80	1.203	5	62
2017/12/26	121	92	38	156	33	68	1.072	6	51
2017/12/25	90	61	26	129	39	55	0.774	3	55
2017/12/24	205	154	26	227	36	64	1.334	5	58
2017/12/23	232	182	38	230	20	104	1.602	8	66
2017/12/22	122	92	35	136	38	75	1.167	7	52
2017/12/21	103	77	32	124	41	56	0.900	5	51
2017/12/20	98	73	27	123	31	64	0.946	4	54
2017/12/19	104	78	36	122	30	66	1.072	2	57
2017/12/18	83	61	22	103	33	59	0.788	3	54
2017/12/17	72	51	21	92	39	54	0.691	0	58
2017/12/16	143	109	15	135	33	48	1.078	3	67
2017/12/15	70	51	15	58	28	35	0.662	4	97
2017/12/14	70	51	13	59	47	31	0.607	3	96
2017/12/13	51	32	18	52	49	32	0.477	4	72
2017/12/12	56	31	19	61	46	35	0.493	4	63
2017/12/11	115	87	35	152	31	74	1.102	4	53
2017/12/10	91	68	28	128	36	56	0.917	6	43
2017/12/9	78	56	26	105	35	60	0.842	4	52
2017/12/8	87	64	26	105	31	59	0.950	3	53
2017/12/7	184	138	31	181	45	79	1.460	5	69
2017/12/6	169	128	27	177	40	65	1.415	3	77
2017/12/5	150	114	26	158	38	62	1.214	2	78
2017/12/4	162	123	21	168	38	58	1.319	5	75
2017/12/3	142	108	22	157	25	75	1.320	7	82
2017/12/2	108	81	24	126	49	54	1.047	6	77
2017/12/1	93	69	23	105	36	57	0.874	4	80
2017/11/30	54	34	13	56	36	36	0.663	5	85
2017/11/29	100	75	17	150	33	41	0.987	8	66
2017/11/28	147	112	22	164	56	63	1.195	12	70
2017/11/27	72	51	27	92	52	55	0.919	9	72
2017/11/26	113	85	27	145	46	60	0.995	9	61
2017/11/25	85	51	25	119	46	59	0.789	11	48
2017/11/24	98	73	30	139	34	71	0.928	7	54
2017/11/23	84	57	26	117	35	60	0.778	6	53
2017/11/22	111	84	20	134	36	57	0.910	9	58
2017/11/21	87	65	19	95	43	52	0.876	7	77
2017/11/20	62	45	17	68	48	48	0.673	6	78
2017/11/19	75	55	23	86	33	48	0.807	4	70
2017/11/18	58	37	14	66	49	31	0.681	5	67
2017/11/17	93	69	13	91	25	44	0.925	13	96
2017/11/16	97	73	25	117	31	55	0.890	12	85
2017/11/15	147	112	28	180	45	65	1.020	11	82
2017/11/14	180	136	29	194	34	75	1.113	11	87
2017/11/13	128	97	22	153	38	64	0.963	13	76
2017/11/12	77	51	25	89	36	61	0.756	11	75
2017/11/11	63	28	20	76	39	43	0.520	10	55
2017/11/10	91	60	23	132	44	62	0.753	14	59
2017/11/9	81	44	26	111	62	47	0.638	15	58
2017/11/8	156	119	36	196	56	75	1.060	15	68
2017/11/7	128	97	29	169	49	87	1.114	14	78
2017/11/6	92	68	22	118	54	60	0.805	12	73
2017/11/5	63	41	18	75	61	38	0.532	10	70
2017/11/4	54	27	19	57	47	43	0.493	9	61
2017/11/3	131	99	25	166	54	60	0.987	14	75
2017/11/2	112	84	31	156	74	73	1.054	16	70
2017/11/1	102	76	30	134	73	73	0.951	14	64
2017/10/31	73	47	23	95	70	54	0.818	11	64
2017/10/30	68	31	21	70	49	54	0.563	9	50
2017/10/29	113	85	19	150	51	59	0.838	13	59
2017/10/28	134	102	36	140	76	83	1.012	15	79
2017/10/27	112	84	23	121	85	61	0.881	15	80
2017/10/26	104	78	27	123	77	70	0.903	16	77
2017/10/25	75	51	31	87	76	59	0.686	14	71
2017/10/24	92	68	31	119	63	70	0.908	13	78
2017/10/23	81	60	16	99	70	40	0.690	14	68
2017/10/22	193	145	28	195	83	75	1.450	16	80
2017/10/21	128	97	21	141	78	80	1.220	15	80
2017/10/20	85	61	24	96	75	64	0.875	15	80
2017/10/19	81	59	21	83	68	47	0.847	15	83
2017/10/18	48	30	12	42	63	38	0.658	13	89
2017/10/17	51	34	14	51	78	32	0.588	15	84
2017/10/16	50	25	15	50	77	36	0.547	17	78
2017/10/15	51	17	13	29	87	30	0.395	15	84
2017/10/14	55	30	18	48	74	40	0.456	15	85
2017/10/13	60	30	18	49	57	48	0.533	14	84
2017/10/12	40	16	11	24	66	27	0.421	12	95
2017/10/11	34	17	11	22	49	22	0.544	13	98
2017/10/10	80	59	13	92	32	38	0.947	17	94
2017/10/9	96	62	23	94	90	39	0.877	23	87
2017/10/8	120	62	28	92	105	45	0.922	22	82
2017/10/7	67	41	23	62	73	40	0.815	19	85
2017/10/6	47	25	13	41	44	37	0.554	16	89
2017/10/5	37	17	16	23	58	29	0.443	14	95
2017/10/4	31	21	12	28	46	23	0.558	12	93
2017/10/3	41	19	12	40	56	20	0.573	15	84
2017/10/2	44	19	12	29	65	20	0.663	21	92
2017/10/1	37	25	11	37	31	25	0.886	21	97
2017/9/30	59	41	16	66	42	33	0.856	19	95
2017/9/29	83	38	20	79	79	44	0.802	19	81
2017/9/28	67	22	15	45	75	34	0.644	19	72
2017/9/27	43	30	10	36	69	20	0.775	20	96
2017/9/26	36	23	11	35	45	24	0.812	23	93
2017/9/25	46	15	14	18	33	36	0.844	22	99
2017/9/24	55	26	19	36	53	27	0.734	21	96
2017/9/23	81	45	19	75	86	29	0.810	24	82
2017/9/22	61	43	18	71	79	26	0.904	22	85
2017/9/21	79	55	24	78	88	32	0.864	21	87
2017/9/20	90	67	17	90	80	31	0.894	23	86
2017/9/19	99	74	32	136	96	41	1.196	24	82
2017/9/18	125	58	23	109	115	42	0.958	24	75
2017/9/17	127	53	21	94	100	41	0.871	23	79
2017/9/16	84	37	17	63	93	30	0.595	22	80
2017/9/15	80	35	19	61	98	28	0.594	22	80
2017/9/14	90	29	22	54	98	31	0.584	22	79
2017/9/13	94	52	22	79	98	33	0.792	23	83
2017/9/12	105	47	19	79	89	43	0.815	23	82
2017/9/11	64	22	13	34	82	22	0.676	23	83
2017/9/10	67	48	22	62	48	30	0.859	23	96
2017/9/9	74	54	29	76	90	35	0.766	24	86
2017/9/8	90	41	20	69	90	32	0.738	23	82
2017/9/7	77	35	16	53	80	31	0.611	23	84
2017/9/6	37	24	12	31	63	21	0.618	22	94
2017/9/5	39	25	10	35	55	24	0.614	23	91
2017/9/4	42	16	12	23	60	23	0.528	20	96
2017/9/3	46	25	15	32	78	25	0.563	20	96
2017/9/2	60	34	19	51	82	27	0.634	22	88
2017/9/1	68	33	17	46	78	26	0.610	23	84
2017/8/31	34	19	15	22	47	27	0.491	19	98
2017/8/30	32	17	11	27	55	19	0.410	19	91
2017/8/29	60	20	10	27	72	19	0.618	22	92
2017/8/28	66	47	14	74	95	23	0.749	29	82
2017/8/27	93	33	24	55	93	29	0.622	27	80
2017/8/26	61	26	20	49	88	30	0.556	25	76
2017/8/25	66	32	15	52	84	25	0.648	27	82
2017/8/24	56	32	16	60	63	28	0.628	28	92
2017/8/23	80	36	19	62	82	28	0.651	30	82
2017/8/22	66	37	17	53	81	26	0.612	28	85
2017/8/21	79	43	16	62	79	33	0.704	27	82
2017/8/20	66	31	13	45	66	24	0.604	27	83
2017/8/19	48	29	12	47	42	24	0.534	25	92
2017/8/18	52	28	14	53	72	21	0.540	28	80
2017/8/17	78	28	16	49	89	20	0.652	27	82
2017/8/16	84	37	17	59	89	31	0.622	27	83
2017/8/15	78	39	13	60	80	27	0.651	27	82
2017/8/14	78	45	13	66	91	25	0.769	26	86
2017/8/13	45	29	10	44	76	18	0.670	25	91
2017/8/12	55	29	10	43	80	17	0.556	26	92
2017/8/11	76	44	16	77	91	23	0.808	29	83
2017/8/10	96	33	12	62	109	23	0.712	28	80
2017/8/9	97	35	13	51	100	21	0.699	27	84
2017/8/8	46	23	12	30	77	21	0.626	26	93
2017/8/7	83	48	17	84	95	24	0.911	30	82
2017/8/6	106	64	14	102	104	35	0.875	31	81
2017/8/5	95	52	10	82	95	34	0.810	31	79
2017/8/4	83	42	11	65	85	22	0.838	30	85
2017/8/3	46	29	9	45	62	19	0.717	28	90
2017/8/2	44	19	14	30	66	20	0.593	27	85
2017/8/1	42	22	15	40	58	23	0.506	28	86
2017/7/31	34	14	8	25	39	18	0.431	28	88
2017/7/30	52	34	11	53	60	20	0.515	30	77
2017/7/29	61	37	8	55	75	16	0.575	30	80
2017/7/28	105	58	10	92	104	26	0.827	31	80
2017/7/27	114	62	16	101	133	28	0.952	32	73
2017/7/26	110	57	15	83	114	22	0.815	33	77
2017/7/25	94	52	13	86	98	32	0.752	33	71
2017/7/24	85	47	16	91	86	33	0.754	32	73
2017/7/23	92	45	15	93	92	31	0.692	32	73
2017/7/22	85	36	13	68	90	26	0.670	32	72
2017/7/21	54	29	11	57	86	20	0.539	31	72
2017/7/20	69	29	10	55	82	20	0.488	30	72
2017/7/19	64	31	11	56	82	18	0.481	30	75
2017/7/18	84	44	12	73	86	21	0.527	30	80
2017/7/17	58	40	19	65	62	37	0.510	29	85
2017/7/16	55	25	12	40	76	24	0.485	29	82
2017/7/15	62	44	11	72	83	21	0.501	29	80
2017/7/14	63	42	10	75	71	19	0.531	29	82
2017/7/13	65	44	10	80	76	20	0.603	30	80
2017/7/12	57	30	10	64	60	19	0.531	30	81
2017/7/11	70	36	9	65	78	19	0.578	28	85
2017/7/10	54	22	13	40	68	17	0.459	29	79
2017/7/9	45	24	10	44	38	21	0.497	26	94
2017/7/8	56	33	10	62	55	23	0.535	28	86
2017/7/7	44	23	11	44	41	26	0.482	26	89
2017/7/6	60	35	10	69	64	22	0.560	29	80
2017/7/5	70	37	13	74	74	25	0.603	28	83
2017/7/4	90	36	13	67	85	25	0.625	28	79
2017/7/3	64	29	12	56	69	19	0.553	27	84
2017/7/2	47	25	10	46	55	17	0.484	25	87
2017/7/1	38	19	11	38	48	18	0.470	24	91
2017/6/30	124	58	13	88	105	20	0.688	26	80
2017/6/29	130	71	12	105	144	18	0.819	28	68
2017/6/28	106	56	13	95	117	22	0.716	28	67
2017/6/27	146	69	15	112	144	27	0.786	27	70
2017/6/26	130	53	17	90	134	35	0.7	27	64
2017/6/25	117	51	15	81	135	29	0.751	26	65
2017/6/24	103	50	14	78	104	30	0.665	27	74
2017/6/23	75	51	11	82	84	22	0.727	26	80
2017/6/22	112	66	18	93	103	23	0.733	25	82
2017/6/21	120	67	19	102	111	33	0.739	26	78
2017/6/20	112	52	18	92	99	33	0.688	25	81
2017/6/19	87	48	20	84	102	27	0.597	25	78
2017/6/18	104	42	17	73	127	24	0.539	24	69
2017/6/17	130	55	16	89	165	20	0.591	24	67
2017/6/16	130	66	16	116	142	31	0.722	25	68
2017/6/15	125	54	15	107	136	27	0.718	25	69
2017/6/14	106	49	19	98	108	30	0.619	24	75
2017/6/13	81	50	19	85	107	27	0.638	24	75
2017/6/12	94	53	20	89	108	27	0.725	24	77
2017/6/11	87	42	14	70	113	18	0.611	29	62
2017/6/10	65	21	13	43	61	19	0.550	31	54
2017/6/9	110	54	17	106	130	34	0.817	28	64
2017/6/8	115	43	17	97	116	32	0.867	25	69
2017/6/7	96	36	14	73	94	35	0.676	22	76
2017/6/6	46	22	14	42	72	23	0.594	18	86
2017/6/5	60	22	16	47	83	27	0.522	17	86
2017/6/4	78	19	19	88	96	24	0.445	23	56
2017/6/3	151	53	17	155	136	23	0.690	26	59
2017/6/2	160	58	23	117	156	27	0.740	27	59
2017/6/1	139	73	21	165	133	34	0.781	29	60
2017/5/31	138	58	18	126	126	37	0.720	28	58
2017/5/30	127	55	21	126	141	38	0.806	26	58
2017/5/29	148	45	23	102	174	26	0.720	27	45
2017/5/28	120	39	22	95	144	29	0.670	27	45
2017/5/27	130	49	23	109	148	31	0.727	26	54
2017/5/26	148	56	26	111	142	36	0.770	24	58
2017/5/25	103	42	20	94	99	47	0.706	22	58
2017/5/24	84	30	17	59	96	31	0.604	20	62
2017/5/23	95	46	16	77	68	26	0.707	20	85
2017/5/22	134	60	25	104	139	32	0.747	26	61
2017/5/21	156	83	23	138	137	34	0.856	25	72
2017/5/20	151	73	27	128	139	39	0.871	25	62
2017/5/19	124	52	22	103	157	26	0.827	25	58
2017/5/18	122	38	19	91	150	23	0.711	25	48
2017/5/17	134	48	19	111	140	34	0.736	22	56
2017/5/16	100	37	18	75	97	42	0.604	20	56
2017/5/15	75	40	27	99	69	43	0.615	19	61
2017/5/14	101	53	27	152	106	36	0.595	21	52
2017/5/13	90	33	17	83	117	25	0.664	24	63
2017/5/12	92	32	17	68	111	27	0.583	23	63
2017/5/11	88	59	21	124	71	54	0.797	22	74
2017/5/10	91	44	15	101	103	37	0.666	23	65
2017/5/9	66	32	15	70	94	22	0.547	18	77
2017/5/8	78	52	17	105	104	32	0.647	15	92
2017/5/7	305	149	19	424	87	48	0.745	20	69
2017/5/6	499	201	20	599	92	35	0.685	20	59
2017/5/5	106	65	18	161	75	44	0.719	20	76
2017/5/4	55	34	15	60	72	23	0.655	19	82
2017/5/3	61	42	26	72	72	32	0.650	19	76
2017/5/2	71	29	22	73	102	23	0.549	20	60
2017/5/1	127	44	22	95	138	29	0.713	23	47
2017/4/30	103	44	18	104	122	33	0.684	22	45
2017/4/29	109	41	17	106	129	31	0.668	22	48
2017/4/28	104	45	18	118	109	41	0.662	18	52
2017/4/27	97	53	21	104	91	52	0.686	17	54
2017/4/26	92	55	15	90	120	23	0.654	16	65
2017/4/25	113	85	30	150	95	54	1.020	19	68
2017/4/24	99	42	16	103	132	23	0.718	21	48
2017/4/23	101	44	21	112	121	31	0.790	18	49
2017/4/22	83	48	15	91	85	43	0.705	15	59
2017/4/21	100	45	19	149	74	32	0.664	17	59
2017/4/20	86	54	18	120	81	30	0.805	18	59
2017/4/19	93	35	19	135	104	26	0.638	21	52
2017/4/18	92	35	17	133	77	32	0.561	21	52
2017/4/17	96	48	20	140	78	23	0.704	20	67
2017/4/16	105	78	24	144	109	32	1.141	22	73
2017/4/15	110	59	28	126	95	51	1.042	22	70
2017/4/14	90	43	19	97	106	33	0.809	20	63
2017/4/13	90	50	23	114	110	35	0.829	17	59
2017/4/12	96	72	24	121	88	47	0.972	15	69
2017/4/11	75	54	14	76	81	33	0.827	12	77
2017/4/10	51	29	13	52	66	32	0.665	8	73
2017/4/9	67	44	15	82	90	24	0.695	12	69
2017/4/8	109	82	20	109	69	31	1.083	17	89
2017/4/7	88	65	23	81	85	36	0.979	17	77
2017/4/6	135	103	24	128	73	45	1.246	17	78
2017/4/5	115	87	17	111	57	48	1.129	17	79
2017/4/4	92	68	38	119	57	62	1.060	16	56
2017/4/3	92	44	21	88	123	26	0.738	17	48
2017/4/2	113	85	20	138	92	50	0.979	15	60
2017/4/1	146	111	22	156	78	55	1.043	12	64
2017/3/31	108	81	17	111	89	44	0.893	11	73
2017/3/30	91	67	20	94	66	45	0.770	12	74
2017/3/29	91	67	16	92	97	29	0.711	12	70
2017/3/28	87	62	20	123	93	31	0.890	16	54
2017/3/27	81	48	23	112	86	43	0.718	13	54
2017/3/26	97	72	24	143	59	56	0.918	11	58
2017/3/25	107	81	16	127	55	50	0.884	10	66
2017/3/24	64	46	14	68	58	44	0.673	8	75
2017/3/23	41	25	13	39	72	29	0.570	7	78
2017/3/22	65	47	17	71	62	38	0.685	8	64
2017/3/21	134	103	19	134	68	38	1.063	10	72
2017/3/20	59	42	11	55	81	29	0.711	8	86
2017/3/19	64	46	21	73	78	38	0.629	9	66
2017/3/18	104	78	26	110	68	46	0.806	12	64
2017/3/17	112	85	23	126	87	47	0.876	10	62
2017/3/16	87	65	24	104	90	41	0.720	10	55
2017/3/15	75	54	24	99	81	46	0.723	9	51
2017/3/14	71	43	24	92	64	44	0.711	8	48
2017/3/13	80	44	13	111	63	29	0.681	8	51
2017/3/12	132	101	25	151	81	40	0.939	13	70
2017/3/11	123	94	26	148	89	53	0.920	14	62
2017/3/10	154	118	38	189	82	76	1.146	13	61
2017/3/9	109	82	28	158	67	68	1.017	10	65
2017/3/8	75	49	26	100	59	45	0.782	7	47
2017/3/7	93	69	31	136	56	57	1.041	8	57
2017/3/6	67	41	19	83	64	35	0.711	8	45
2017/3/5	132	101	23	161	68	49	0.934	12	65
2017/3/4	118	90	34	156	52	76	1.146	10	60
2017/3/3	82	56	24	113	61	45	0.827	8	53
2017/3/2	75	52	20	101	51	42	0.805	6	54
2017/3/1	102	71	17	154	62	32	0.804	10	50
2017/2/28	130	99	27	153	112	41	0.987	11	52
2017/2/27	125	95	26	140	85	47	0.896	9	64
2017/2/26	134	102	36	161	63	73	1.058	9	63
2017/2/25	114	86	28	134	75	63	0.980	7	59
2017/2/24	117	89	26	130	58	68	0.940	6	60
2017/2/23	162	124	28	149	61	46	1.193	4	65
2017/2/22	118	90	15	108	47	37	1.020	2	76
2017/2/21	54	29	14	59	62	22	0.566	4	64
2017/2/20	113	86	14	160	57	29	0.904	9	56
2017/2/19	144	110	20	160	61	44	1.177	14	70
2017/2/18	81	60	17	106	58	36	0.763	8	66
2017/2/17	93	69	15	114	53	31	0.713	8	58
2017/2/16	122	92	20	131	74	51	1.031	14	69
2017/2/15	134	102	34	147	71	68	1.089	9	55
2017/2/14	137	104	36	142	75	64	1.170	9	62
2017/2/13	110	83	34	119	74	60	1.041	7	60
2017/2/12	106	80	27	111	82	42	0.901	5	57
2017/2/11	100	75	32	112	56	56	0.895	2	60
2017/2/10	85	63	25	98	52	50	0.832	0	56
2017/2/9	189	142	27	177	46	45	1.293	0	72
2017/2/8	133	101	19	117	37	37	0.928	1	79
2017/2/7	60	43	19	64	51	28	0.624	3	69
2017/2/6	140	107	31	136	59	49	1.064	5	65
2017/2/5	166	127	26	159	38	58	1.518	6	77
2017/2/4	127	97	18	125	33	41	1.090	6	78
2017/2/3	84	62	23	86	35	39	0.768	5	74
2017/2/2	116	88	30	108	69	37	1.035	3	65
2017/2/1	84	62	21	86	69	24	0.843	2	72
2017/1/31	51	35	28	53	50	28	0.627	0	62
2017/1/30	78	57	23	76	56	18	0.853	0	60
2017/1/29	115	87	13	124	23	21	1.178	6	87
2017/1/28	111	84	33	124	39	31	0.912	7	76
2017/1/27	137	105	26	156	66	26	1.197	6	59
2017/1/26	135	103	23	134	71	37	1.125	7	69
2017/1/25	116	88	31	112	55	48	1.051	5	71
2017/1/24	91	68	42	93	40	51	0.982	1	66
2017/1/23	95	71	51	106	47	55	1.012	1	60
2017/1/22	110	83	44	132	38	55	1.006	1	60
2017/1/21	80	57	22	110	46	42	0.756	1	54
2017/1/20	75	39	21	99	52	34	0.652	-1	36
2017/1/19	153	117	22	151	42	47	1.102	5	66
2017/1/18	125	95	28	119	41	47	1.002	4	76
2017/1/17	70	51	36	74	40	53	0.765	3	71
2017/1/16	54	38	28	56	41	42	0.629	1	69
2017/1/15	56	39	26	61	42	39	0.697	1	65
2017/1/14	96	71	28	103	41	51	1.020	1	60
2017/1/13	142	108	37	166	34	67	1.293	4	73
2017/1/12	167	127	30	185	35	72	1.359	5	71
2017/1/11	162	123	27	159	51	62	1.506	4	66
2017/1/10	186	140	27	177	29	74	1.970	3	75
2017/1/9	167	127	27	158	29	65	1.996	2	79
2017/1/8	121	91	17	112	36	40	1.456	5	77
2017/1/7	69	50	13	72	22	43	1.475	6	90
2017/1/6	41	27	12	38	38	33	0.900	6	92
2017/1/5	66	48	14	55	71	30	1.181	8	95
2017/1/4	228	178	35	225	24	74	2.093	9	89
2017/1/3	239	189	34	242	43	96	2.268	7	86
2017/1/2	181	137	26	174	41	68	1.883	8	86
2017/1/1	220	170	49	221	28	94	1.965	6	81
更多数据与问题请联系微信客服：xbcms6

查看更多

蚌埠历史空气质量数据

2017年

蚌埠数据订制服务

时间段订制
表头字段订制
数据整理订制
程序应用订制

公众号客服 man-yi-666
微信客服 xbcms6

保存数据查询入口

微信公众号快捷复制