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- In 1968, prototype quartz crystal watches were introduced. 1968年推出样机石英手表.
- The quartz crystal didn't vibrate until the voltage was applied. 直到电压加上去以后石英晶体才开始振荡。
- Watches with quartz crystal movements never have to be wound. 装有石英晶体机蕊的手表毋需上发条。
- Quartz crystal is perfectly crystallized. 石英晶体是完美的结晶。
- 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。
- Research on principles and properties of a quartz crystal viscosity sensor. 石英晶体粘度传感器原理及特性研究。
- "The Crystal Resonator".A subharmonic of the frequency of quartz crystal. “水晶共振”次谐波频率的石英水晶。
- Quartz crystal resonators are devices that supply standard time base. 石英晶体谐振器是一种提供基准时基的器件。
- Quartz crystals are seldom used in such handsets. 石英晶体是很少使用这种手机。
- Several things will make the atoms in a crystal vibrate. 有好几种情形都会使晶体中的原子产生振动。
- The ADC aperture jitter must be minimal, and the sampling clock generated from a low phase-noise quartz crystal oscillator. ADC的孔径抖动必需尽可能的小，而且要使用低相位噪声的石英晶体振荡器作为采样时钟发生器。
- The quartz crystal in the watch is made to vibrate at a frequency of 56,000 times a second. 使钟表里的石英晶体以每秒56，000次的频率振荡。
- These clocks depend on electricity and the vibrations of the atoms of a quartz crystal, and are very complicated. 这些钟靠电和石英晶体的原子振荡走时，是十分复杂的。
- The popular oscillator design which uses a resistor, one or more logic gates, a quartz crystal, and a couple of capacitors should never be used! 一般振荡器设计都用一个电阻、一个或几个逻辑门、一个晶体、两个电容，在这里绝对不能用。
- It looks like quartz crystals sticking up out of the dark hollow. 它象石英晶体，在黑色的空间耸立着。
- LC oscillators have better phase noise, but the lowest noise is obtained with the use of a quartz crystal oscillator. LC谐振器利用石英晶体振荡器产生基准源，因此抖动较小。
- For these reasons, ceramic resonator can start up more quickly than quartz crystal. 正是基于上面的原因，陶瓷震荡子能够比水晶快速起振。
- I held a light green clear quartz crystal in my hand that had been given to me a month before. 我的手中握着一个月前给我的一块明亮绿色的石英水晶.
- Objective To construct an oscillation circuit for a gene analyzer based on quartz crystal microbalance. 目的研制石英谐振组合靶基因检测仪自激式振荡电路。
- The analyzer makes up for the disadvantages of single quartz crystal microbalance and will be applied widely. 该分析仪弥补了单道检测的缺点，操作简单、性能稳定、成本较低，具有广泛的应用前景。
