556
0
44
651
1
44
691
2
44
571
1
43
389
0
42
556
2
42
606
3
42
596
0
42
818
4
42
495
0
41
671
14
39
523
4
39
1788
8
39
356
0
38
594
3
38
503
10
37
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Keyword(s): 化学