quartz
英 [kwɔːts]
美 [kwɔːrts]
n. 石英
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.- ...a quartz crystal.
石英晶体
- ...a quartz crystal.
英英释义
noun
- a hard glossy mineral consisting of silicon dioxide in crystal form
- colorless glass made of almost pure silica
双语例句
- A mill for stamping quartz.
一个冲压石英对它进行加工的工厂。 - 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。 - 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。 - 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。 - 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。 - Compared with the porcelain granule with a same grain diameter, gravel and quartz sand can be cleaned easily.
与相同粒径的陶粒相比较，砾石和石英砂易于冲洗干净； - The cardium sandstone is lithic, being composed of grains of chert, quartz, quartzite, silicified argillite, and other rock fragments.
卡迪砂岩是岩屑砂岩，由燧石，石英、石英岩、硅化泥板岩和其它岩石碎屑颗粒所组成。 - Ornaments such as rings, some slotted, were also made from quartz and other suitable stones.
这时期也发现用石英和其他适用的石料制成的饰物，例如大小不一的石环和石玦； - A granitic rock composed of quartz and mica.
一种由石英和云母构成的花岗石。 - 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。