1436
0
55
3179
0
53
9303
0
52
1949
1
52
4420
0
48
980
0
46
2739
0
46
3255
0
45
1649
0
45
2431
0
45
2349
0
42
1324
0
39
1128
2
39
1342
2
39
966
0
38
1007
4
36
873
0
35
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Keyword(s): 力学