concave surface

常見例句

Objective To analyze the marks on the concave surface key.
目的運(yùn)用光學(xué)儀器研究?jī)?nèi)凹齒鑰匙痕跡形態(tài)特征。
Regular concave surface profiles are adopted for many friction surfaces, but the surfaces are seldom studied using lubrication theory.
規(guī)則凹坑表面形貌在許多摩擦副中被采用，但目前為止仍缺乏理論指導(dǎo)。
It was found that there was large residual compress stress on the concave surface of metal-sheet, but low residual tensile stress on the fringe of convex surface.
在薄板成形后的凹面分布的是較大的殘余壓應(yīng)力，而凸面邊緣存在較小的殘余拉應(yīng)力；
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Cool Earth's insight was that if you coat only one half of a balloon, leaving the other transparent, the inner surface of the coated half will act as a concave mirror.
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