|||
Important words重要词汇 |
文献量 Frq | |
1 |
3251 | |
2 |
4619 | |
3 |
499 | |
4 |
495 | |
5 |
457 | |
6 |
1121 | |
7 |
215 | |
8 |
821 | |
9 |
2806 | |
10 |
794 | |
11 |
165 | |
12 |
164 | |
13 |
158 | |
14 |
189 | |
15 |
140 | |
16 |
121 | |
17 |
108 | |
18 |
99 | |
19 |
97 | |
20 |
97 |
Filtered Important words 过滤重要词汇(知识发现) |
文献量 Frq | |
1 |
3251 | |
2 |
499 | |
3 |
495 | |
4 |
457 | |
5 |
215 | |
6 |
821 | |
7 |
794 | |
8 |
164 | |
9 |
158 | |
10 |
189 | |
11 |
140 | |
12 |
108 | |
13 |
97 | |
14 |
158 | |
15 |
93 | |
16 |
86 | |
17 |
69 | |
18 |
80 | |
19 |
61 | |
20 |
55 |
Topics 研究主题 |
文献量 Frq | |
1 |
3783 | |
2 |
1511 | |
3 |
1313 | |
4 |
971 | |
5 |
964 | |
6 |
917 | |
7 |
877 | |
8 |
874 | |
9 |
797 | |
10 |
705 | |
11 |
641 | |
12 |
541 | |
13 |
528 | |
14 |
495 | |
15 |
467 | |
16 |
442 | |
17 |
432 | |
18 |
423 | |
19 |
421 | |
20 |
416 |
Journals 期刊 |
文献量 frq | |
1 |
209 | |
2 |
177 | |
3 |
143 | |
4 |
130 | |
5 |
130 | |
6 |
129 | |
7 |
126 | |
8 |
119 | |
9 |
115 | |
10 |
97 | |
11 |
97 | |
12 |
88 | |
13 |
87 | |
14 |
83 | |
15 |
80 | |
16 |
79 | |
17 |
69 | |
18 |
69 | |
19 |
63 | |
20 |
61 |
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