concave surface

基本解釋

• 凹面，內(nèi)弧面

英漢例句

雙語(yǔ)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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權(quán)威例句

• 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.
  ECONOMIST: Monitor

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詞組短語(yǔ)

短語(yǔ)

• concave spherical surface 凹球面
• concave ellipsoidal surface 凹橢球面
• concave rotative surface 凹回轉(zhuǎn)面
• concave cambered surface 移動(dòng)擺桿
• annular concave spherical surface 凹球面環(huán)狀

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專業(yè)釋義

能源科學(xué)技術(shù)

• 凹坑表面
• 凹面靶板