| 编号 | 候选名词 | 总数 | 文章数 | 重复频率 | 词频弥散 | 来源期刊 |
|---|---|---|---|---|---|---|
| boundary condition | 78 | 13 | 5.5 | 0.001075 | 0003003,0003029,etc | |
| Einstein' equation | 28 | 11 | 2.5 | 0.000982 | 0003003,0003027,etc | |
| flat spacetime | 26 | 12 | 2.091 | 0.000803 | 0003004,0003025,etc | |
| exact solution | 27 | 12 | 2.182 | 0.00066 | 0003025,0003029,etc |