quartz

英 [kwɔːts]

美 [kwɔːrts]

n.  石英

CET6考研TOEFLIELTSTEM8化学

BNC.13134 / COCA.16587

牛津词典

noun

• 石英
  a hard mineral, often in crystal form, that is used to make very accurate clocks and watches

柯林斯词典

• N-UNCOUNT 石英
  Quartzis a mineral in the form of a hard, shiny crystal. It is used in making electronic equipment and very accurate watches and clocks.
  1. ...a quartz crystal.
     石英晶体

英英释义

noun

• a hard glossy mineral consisting of silicon dioxide in crystal form
• colorless glass made of almost pure silica
  Synonym:quartz glassvitreous silicalechatelieritecrystal

双语例句

• This paper discussed the structural principle and property of digit piezoelectric quartz posture sensor.
  叙述了数学式压电石英姿态传感器的结构原理与性能。
• A granitic rock composed of quartz and mica.
  一种由石英和云母构成的花岗石。
• The principle of the quartz crystal deposition monitor technology in the optical film deposition process is discussed.
  讨论了石英晶体监控法在光学薄膜镀制过程中的应用原理。
• Sludge reduction performance by earthworm biofilters using quartz sand and ceramsite as media was compared.
  比较了石英砂和陶粒滤料蚯蚓生物滤池的污泥减量化效果。
• A mill for stamping quartz.
  一个冲压石英对它进行加工的工厂。
• The developing status of quartz crystal in China is reported in this paper.
  本文介绍了我国石英晶体发展的现状。
• The quartz watch keeps good time.
  石英表走时准。
• The prospectors have discovered such minerals as calcite, quartz and asbestos here.
  探矿人员在这里发现了方解石、石英、石棉等矿藏。
• Today, quartz crystal clocks are generally used on the seismograph stations.
  目前，地震台站一般采用石英晶体钟。
• In this paper, the depolarization mechanism of a monochromatic light crystalline quartz depolarizer is studied.
  研究了单色光石英退偏器的退偏机理；定义了退偏度作为衡量退偏器性能的物理量。