| |||
| 表观垂线 | |||
| 动态垂线; 表观垂线 (重力加速度和运动加速度合成矢量的方向) | |||
| 动垂线; 视垂线 | |||
|
dynamic vertical : 8 phrases in 5 subjects |
| Bridge construction | 2 |
| Electronics | 1 |
| Rail transport | 2 |
| Technology | 2 |
| Television | 1 |
| |||
| 表观垂线 | |||
| 动态垂线; 表观垂线 (重力加速度和运动加速度合成矢量的方向) | |||
| 动垂线; 视垂线 | |||
|
dynamic vertical : 8 phrases in 5 subjects |
| Bridge construction | 2 |
| Electronics | 1 |
| Rail transport | 2 |
| Technology | 2 |
| Television | 1 |