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- In 1968, prototype quartz crystal watches were introduced. 1968年推出樣機石英手表.
- The quartz crystal didn't vibrate until the voltage was applied. 直到電壓加上去以后石英晶體才開(kāi)始振蕩。
- Watches with quartz crystal movements never have to be wound. 裝有石英晶體機蕊的手表毋需上發(fā)條。
- Quartz crystal is perfectly crystallized. 石英晶體是完美的結晶。
- Today, quartz crystal clocks are generally used on the seismograph stations. 目前,地震臺站一般采用石英晶體鐘。
- Research on principles and properties of a quartz crystal viscosity sensor. 石英晶體粘度傳感器原理及特性研究。
- "The Crystal Resonator".A subharmonic of the frequency of quartz crystal. “水晶共振”次諧波頻率的石英水晶。
- Quartz crystal resonators are devices that supply standard time base. 石英晶體諧振器是一種提供基準時(shí)基的器件。
- Quartz crystals are seldom used in such handsets. 石英晶體是很少使用這種手機。
- The ADC aperture jitter must be minimal, and the sampling clock generated from a low phase-noise quartz crystal oscillator. ADC的孔徑抖動(dòng)必需盡可能的小,而且要使用低相位噪聲的石英晶體振蕩器作為采樣時(shí)鐘發(fā)生器。
- The quartz crystal in the watch is made to vibrate at a frequency of 56,000 times a second. 使鐘表里的石英晶體以每秒56,000次的頻率振蕩。
- These clocks depend on electricity and the vibrations of the atoms of a quartz crystal, and are very complicated. 這些鐘靠電和石英晶體的原子振蕩走時(shí),是十分復雜的。
- 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! 一般振蕩器設計都用一個(gè)電阻、一個(gè)或幾個(gè)邏輯門(mén)、一個(gè)晶體、兩個(gè)電容,在這里絕對不能用。
- LC oscillators have better phase noise, but the lowest noise is obtained with the use of a quartz crystal oscillator. LC諧振器利用石英晶體振蕩器產(chǎn)生基準源,因此抖動(dòng)較小。
- It looks like quartz crystals sticking up out of the dark hollow. 它象石英晶體,在黑色的空間聳立著(zhù)。
- For these reasons, ceramic resonator can start up more quickly than quartz crystal. 正是基于上面的原因,陶瓷震蕩子能夠比水晶快速起振。
- I held a light green clear quartz crystal in my hand that had been given to me a month before. 我的手中握著(zhù)一個(gè)月前給我的一塊明亮綠色的石英水晶.
- Objective To construct an oscillation circuit for a gene analyzer based on quartz crystal microbalance. 目的研制石英諧振組合靶基因檢測儀自激式振蕩電路。
- The analyzer makes up for the disadvantages of single quartz crystal microbalance and will be applied widely. 該分析儀彌補了單道檢測的缺點(diǎn),操作簡(jiǎn)單、性能穩定、成本較低,具有廣泛的應用前景。
- They also visited a quartz crystal cave and a salt crystal cave to study the properties of crystal surfaces. 為了制作具有晶體外觀(guān)的道具,他們還參觀(guān)了石英晶體溶洞和鹽晶體洞穴。