162
0
3
127
4
3
84
0
3
165
0
3
84
0
3
114
0
3
139
0
3
268
0
3
212
0
3
236
0
3
290
4
3
202
0
2
87
0
2
176
0
2
95
0
2
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Keyword(s): 科学