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

• Locally dolomite and anhydrite are important as cements, together with minor authigenic quartz.
  在局部地方白云石和硬石膏也是重要的胶结物；还有少量自生石英。
• 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。
• The structures of chiral quartz and copper helices are analysized.
  对手征性石英和螺旋铜丝的结构进行了分析研究。
• 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。
• 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。
• 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。
• 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。
• They also visited a quartz crystal cave and a salt crystal cave to study the properties of crystal surfaces.
  他们也用了一个石英晶体岩洞和一个盐制的晶体岩洞来研究晶体表面的特性。
• Quartz timepieces are very accurate, to a minute or two per year.
  石英钟表走时非常准，年误差仅为一两分钟。
• The quartz watch keeps good time.
  石英表走时准。