序号 | 频次 | 中介性 | 关键词 | 年份 | 序号 | 频次 | 中介性 | 关键词 | 年份 |
1 | 461 | 0 | covid 19 | 2020 | 11 | 126 | 0.03 | clinical characteristics | 2019 |
2 | 443 | 0.03 | coronavirus | 2018 | 12 | 116 | 0.04 | mental health | 2020 |
3 | 225 | 0.01 | pneumonia | 2020 | 13 | 112 | 0.05 | china | 2018 |
4 | 221 | 0.04 | outbreak | 2020 | 14 | 111 | 0.09 | virus | 2018 |
5 | 208 | 0.18 | spike protein | 2018 | 15 | 109 | 0.01 | impact | 2020 |
6 | 199 | 0.1 | acute respiratory syndrome | 2018 | 16 | 105 | 0.01 | ace2 | 2020 |
7 | 189 | 0.15 | sars | 2019 | 17 | 96 | 0.06 | antibody | 2018 |
8 | 189 | 0.03 | wuhan | 2020 | 18 | 94 | 0.03 | transmission | 2020 |
9 | 149 | 0.01 | infection | 2020 | 19 | 82 | 0.09 | disease | 2018 |
10 | 146 | 0.02 | risk | 2020 | 20 | 67 | 0.02 | epidemic | 2020 |