invar

常見例句

• Automatic Measurement System of Invar Rods Based on Image Processing[J].
  引用該論文 Xu Xinhua;Wang Qing;Qian Zheng;Zhang Shexian.
• Geodetic levelling should be done with staves in which the divisions are marked on a strip of invar.
  大地水準(zhǔn)測量必須使用分劃刻在因瓦帶上的水準(zhǔn)標(biāo)尺。
• If the pendulum is made of invar,the bob does not rise or fall much. So the clock keeps good time in summer and winter.
  如果用不脹鋼做鍾擺，擺鎚陞降的距離就很小，這樣無論夏季或鼕季，鍾都走得很準(zhǔn)。
• There is a material which we call invar. It is made of different metals. Invar never expands or contracts much, and so it is useful in clocks.
  有一種我們稱之爲(wèi)不脹鋼的材料，它是由不同的金屬制成的，膨脹和收縮均很少。因此用在鍾裡是很有用的。
• A very low linear expansion coefficient sample carrier made from invar, ensures that temperature change has no effect on the sample position.
  由不脹鋼制成非常低膨脹系數(shù)的樣品載臺保証溫度變化對樣品的位置沒有影響。
• If the pendulum is made of invar, the bob does not rise or fall much. So the clock keeps good time in summer and winter.
  如果用不脹鋼做鍾擺，擺鎚陞降的距離就很小，這樣無論夏季或鼕季，鍾都走得很準(zhǔn)。
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