invar

英[ɪn\'vɑː]
美[ɪn\'vɑ]

基本释义

n.
不胀钢

实用例句

Geodetic leveling should be done with staves in which the onstrip of invar.

大地水准测量必须使用分划刻在因瓦带上的水准标尺.

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英英释义

Noun
  • 1. an alloy of iron and nickel having a low coefficient of thermal expansion; used in tuning forks and measuring tapes and other instruments

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短语索引:
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