 |
| |||
| 回旋前进; 向前的运动〔行〕; 先〔前，进〕行; 领前 | |||
| 先行性染色体; 前进运动 | |||
| 先行; 优先 | |||
| 性染色体先行 | |||
| 旋进 | |||
| 岁差; 进动 | |||
| precession: 117 phrases in 13 subjects |
| Air defense | 1 |
| Aviation | 9 |
| Chemistry | 5 |
| Earth sciences | 2 |
| Electronics | 1 |
| Geology | 1 |
| Oil / petroleum | 9 |
| Physical sciences | 1 |
| Polymers | 1 |
| Space | 37 |
| Technology | 48 |
| Telecommunications | 1 |
| United Nations | 1 |