| 编号 | 全称 | 缩写 | 总数 | 文章数 | 词频弥散 | 来源期刊 |
|---|---|---|---|---|---|---|
| 1 | two dimensional | 3D | 22 | 5 | 1.000658 | 0406052,0406129,etc |
| 2 | density functional theory | DFT | 22 | 5 | 2.000913 | 0406093,0406044,etc |
| 3 | three dimensional | 3D | 58 | 3 | 1.005933 | 0406034,0406022,etc |
| 4 | global navigation satellite system | GLONASS | 36 | 3 | 2.003113 | 0406029,0406025,etc |