直到电压加上去以后，石英晶体才会以某一频率振荡。
The quartz crystal does not vibrate at certain frequency until the voltage is applied.
由于阀门使用的高频率，以及石英粉末的研磨特性，都要求耐磨性很高的阀门才经受得起。
The high cycle rate of the valves, and the abrasive nature of the quartz powder require an abrasion resistant valve that will last.
加工成型的石英晶体的频率可从几十千赫兹到数百兆赫兹。
Quartz crystals are manufactured for frequencies from a few tens of kilohertz to hundreds of megahertz.
“水晶共振”次谐波频率的石英水晶。非常有效去充电和清除石英水晶。启动有关灵光场。
The crystal resonator. A subharmonic of the frequency of quartz crystal. extremely effective for charging and clearing quartz crystals. activates aspects of the auric field.
石英谐振式力传感器是一种输出为频率信号的数字式传感器。
Quartz resonance force sensor is a digital sensor with frequency signal as its output form.
石英晶体振荡器是一种非常重要的频率源。
Quartz crystal oscillator is one of the most stability frequency references.
文中进行了液相介质中石英晶体粘度传感器及其频率特性的研究。
In this article, we research quartz crystal viscosity sensor and its frequency characteristic in liquid medium.
分析了石英温度传感器非线性、频率不确定度、过热效应等因素对温度测量的影响。
The influence on temperature measurement of the non-linearity, the fractional frequency uncertainty and the overheating effect of quartz temperature sensor have been analyzed.
加工高质量的石英音叉需要解决工艺误差导致的机械耦合误差及频率漂移等问题。
To get high quality quartz tuning forks, mechanical coupling error and frequency excursion by machining errors must be resolved.
全部采用石英振荡电路，具有极高的频率稳定性能。
The pure quartz shake circuit with a high stable performance to the frequency.
尤其是石英晶体谐振片采用了SC切型进一步提高了短期频率稳定度和加速度灵敏度。
Especially, the use of SC cut quartz crystal further improves the short-term frequency stability and acceleration sensitivity.
在石英晶体谐振器(以下简称晶体)的生产过程中，需要测量晶体的谐振频率，并按测量结果分选出成品和次品。
In the process of quartz crystal resonance production, the object is to measure frequency and choose finished products or the inferiors.
微调机是石英晶体谐振器成品生产的主要设备，其频率测量系统的精度决定了微调机的微调精度。
The final-plating machine is one of the main equipment for producing the quartz crystal resonators, The accuracy of its frequency measurement system is to define the accuracy of the integral machine.
结果表明，对切角及环境因素进行控制，可使石英晶体谐振器的频率–温度特性满足工程的需要。
The result shows that by controlling cut angle and environment conditions, frequency-temperature characteristic of quartz resonators can be adjusted to meet engineering needs.
利用波扰动方程，分析研究了声表面波器件频率-温度敏感性与石英晶体各向异性参数之间的关系。
The temperature sensitivity of the frequency as a function of quartz crystal anisotropy is presented by the perturbation equation due to the temperature change.
本文主要研究了一种集晶片频率测量、分选于一体的新型石英晶片测量与分选的自动控制系统。
This paper studies a kind of new autocontrol system across-the-board, which can realize both the measurement of frequency and the separation of quartz crystal wafer.
石英晶体作为谐振器在使用时，要求其谐振频率在温度发生变化时保持稳定。
To use a crystal unit as an oscillator, its oscillated frequency is required to be stable against temperature variations.
根据本征频率计算了石英音叉的动态等效电路参数，计算值在实测值的离散范围内。
Based on the inherent frequencies the dynamic equivalent circuit parameters are calculated and the result is within the discrete range of experimental values.
大多数是晶体振荡器，它利用(石英)晶体固有共振的优点，所以频率稳定。
Most are crystal oscillators that take advantage of the inherent resonance of a (quartz) crystal to obtain frequency stability.
论述了利用单片机取代工控PC机进行石英晶体频率检测分选的技术。
Discussed a technology to measure quartz crystal frequency using SCM 8051 instead of traditional ways of using PC.
液相环境下振荡的压电石英晶体传感器的谐振频率变化主要受液体性质和表面质量负载的影响。
The resonance frequency shifts of piezoelectric quartz crystal sensors in contact with the liquid are influenced mainly by liquid properties and mass loading on the quartz crystal surface.
分析了石英温度传感器非线性、频率不确定度、过热效应等因素对温度测量的影响。
The influence on tempera2 ture measurement of the non2linearity , the fractional frequency uncertainty and the overheating effect of quartz temperature sensor have been analyzed.
“水晶共振”次谐波频率的石英水晶。
The Crystal Resonator". A subharmonic of the frequency of quartz crystal."
石英谐振器在贮存、使用过程中频率随时间变化的现象称为老化。
During storage or in operation the frequency of the crystal resonator will change according to the duration period, which is define as aging in crystal field.
但是，许多设备工作在温度范围变化较大的环境中，由于石英晶体谐振器自身特殊的物理特性，温度的变化会导致晶体振荡器的频率发生偏移。
However, many devices work in the environment which the temperature changes in a larger range, the change of temperature will cause the crystal oscillator's frequency shift.
石英泛音晶体谐振器的谐振频率会随环境温度的变化和所受应力的作用发生改变。
The frequency of the resonator changes according to the temperature and the stress applied on it.
石英泛音晶体谐振器的谐振频率会随环境温度的变化和所受应力的作用发生改变。
The frequency of the resonator changes according to the temperature and the stress applied on it.
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