beam ratio
短语词组
- cable beam stiffness ratio 索梁刚度比
- beam propagation ratio 光束传播因子
- beam sharpening ratio 波束锐化比
- beam splitting ratio 分光比
- beam expanded ratio 扩束比
- beam length ratio 宽长比
- beam intensity ratio 光强比
- beam expanding ratio 扩束比
- beam draft ratio [船]宽度吃水比;型宽 返回 beam ratio