| 编号 | 候选名词 | 总数 | 文章数 | 重复频率 | 词频弥散 | 来源期刊 |
|---|---|---|---|---|---|---|
| electric field | 154 | 34 | 4.606 | 0.003274 | 0604214,0604032,etc | |
| matrix element | 46 | 16 | 3.0 | 0.001723 | 0604214,0604099,etc | |
| boundary condition | 74 | 30 | 2.517 | 0.001324 | 0604214,0604062,etc | |
| exact solution | 36 | 17 | 2.188 | 0.000633 | 0604033,0604146,etc | |
| differential equation | 37 | 16 | 2.4 | 0.000542 | 0604219,0604089,etc |