fineness ratio meaning in English
【航】细度比，径长比〔指流线型飞机机身长度同宽度的比例〕。
Examples
- The quality of on - building project in the middle route of south - to - north water transfer in hebei province are introduced and it shows that the fineness ratios of main units reach 100 %
摘要介绍河北省南水北调中线工程开工项目建设质量情况，主要单元工程优良率100 % 。