| 题名 | 解释 |
| 零半径 | no-radius |
| 半径状地 | radially |
| 极半径 | polar radius ~polar radius |
| 巡航半径 | cruising radius ~cruising rangs ~1.a cruising radius
~cruising radius~cruising range |
| 小半径 | minor radius |
| 半径比率 | dius ratio |
| 平均半径 | average radius~mean radius |
| 沟底半径 | radius of flute |
| 水力半径 | hydraulic mean path~hydraulic radius~ulic radius |
| 诱导半径 | radius of influence |
| 半径大的 | long range |
| 半径倒数 | reciprocal radius |
| 原子半径 | atomic radius |
| 反演半径 | radius of inversion |
| 模半径 | mode radius |
| 半径杆块 | radius block |
| 舭部半径 | bilge radius ~bilge radius |
| 装载半径 | load radius |
| 离子半径 | ion radius~ionic radius |
| 节锥半径 | pitch cone radius~[$n.] pitch angle |