concave and convex

基本解釋

Last, studies the influence of different curvature on the film cooling effectiveness of concave and convex surfaces.
同時(shí)，研究了曲面曲率的變化對(duì)氣膜冷卻效率的影響。
In the past, it was very hard to change the shape of the permanent magnet torque characteristic and describe its concave and convex extent.
以往對(duì)如何改變永磁力矩特性曲線的形狀及如何描述其凹凸程度一直是繼電器設(shè)計(jì)人員難以解決的問(wèn)題。
Objective: To observe the effect of concave and convex on growing and the refractive developing of guinea pig eyes and to establish lens-induced animal model of myopia or hyperopia.
目的：觀察凹透鏡和凸透鏡對(duì)豚鼠眼球生長(zhǎng)和屈光變化的影響，建立透鏡誘導(dǎo)型屈光不正動(dòng)物模型。