| 编号 | 候选名词 | 总数 | 文章数 | 重复频率 | 词频弥散 | 来源期刊 |
|---|---|---|---|---|---|---|
| 1 | boundary condition | 237 | 24 | 10.174 | 0.003222 | 0412002,0412013,etc |
| 2 | initial datum | 139 | 15 | 9.286 | 0.00203 | 0412002,0412014,etc |
| 3 | evolution equation | 87 | 13 | 6.167 | 0.001354 | 0412002,0412019,etc |
| 4 | constraint equation | 33 | 12 | 2.909 | 0.000701 | 0412002,0412019,etc |
| 5 | Einstein' equation | 37 | 14 | 2.538 | 0.000455 | 0412002,0412019,etc |