 |
| |||
| 标准平均弦 | |||
| 标准平均弦 (长) | |||
| 标准平均弦长 | |||
| 标准平均弦等于机翼总 面积除以全展长; 平均几何弦 | |||
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips