| 释义 |
concave and convex短语⁹⁰⁸⁸⁷⁺⁷
基本例句
🌏凹面和凸面；凹凸；凸与凹
In the past, it was very hard to change the shape of the permanent magnet torque characteristic and describe its concave and convex extent.
以往对如何改变永磁力矩特性曲线的形状及如何描述其凹凸程度一直是继电器设计人员难以解决的问题。 cnki
Last, studies the influence of different curvature on the film cooling effectiveness of concave and convex surfaces.
同时，研究了曲面曲率的变化对气膜冷却效率的影响。 cnki |