| |||
| 光点大小; 亮点大小 | |||
| 黑子大小; 点尺寸 | |||
| 斑大小 | |||
| 黑子〔斑点〕大小 | |||
| 束斑尺寸; 光斑尺寸场强降为 1/e 的场幅直径 | |||
| 焊点直径 | |||
| ★ 光斑大小 | |||
| 光点直径; 斑点尺寸 | |||
| 光斑尺寸; 斑点大小 | |||
| 模场半径 | |||
|
spot-size : 19 phrases in 8 subjects |
| Air defense | 1 |
| Electronics | 1 |
| Geophysics | 1 |
| Light industries | 1 |
| Scientific | 1 |
| Space | 2 |
| Technology | 9 |
| Telecommunications | 3 |