1441
4
38
741
10
38
4247
26
38
1550
8
37
3237
2
37
1935
2
37
4680
0
37
426
5
37
1006
3
37
1468
7
37
1301
9
37
920
2
37
2084
4
37
1553
7
37
1515
2
37
771
6
37
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Keyword(s): 化学