| 编号 | 全称 | 缩写 | 总数 | 文章数 | 词频弥散 | 来源期刊 |
|---|---|---|---|---|---|---|
| rosat all sky survey | RASS | 16 | 4 | 1.000342 | 9708211,9708049,etc | |
| colour magnitude diagram | CMD | 18 | 4 | 2.000178 | 9708209,9708061,etc | |
| broad emission line region | BELR | 22 | 3 | 2.000507 | 9708050,9708046,etc | |
| narrow emission line galaxy | NELG | 26 | 3 | 2.001005 | 9708046,9708231,etc |