346
0
18
466
12
18
373
0
18
384
0
17
211
0
17
255
4
17
317
1
16
469
0
14
330
2
13
237
0
13
225
6
12
302
0
12
279
2
12
458
1
12
289
0
11
282
1
10
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Keyword(s): 化学式