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- quartz crystal wave filter 石英晶体滤波器
- Quartz crystal, crystal oscillator, ceramic resonator, ceramic filter, saw filter, ceramic discriminator. 石英谐振器，石英震荡器，陶瓷谐振器，陶瓷滤波器，声表面滤波器，鉴频器
- 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。
- This paper describes a quartz crystal that is used to produce bulk wave oscillating in the thickness-shear mode, utilizing the dual-channel to detect the frequency shift. 文章阐述了利用石英晶体产生体波厚度剪切振动模式，分析了由双通道系统进行频率变化测定的方法。
- Usage: suitable for quartz crystal, sound filter, microwave device, transistor, commute tube, sensor, photoelectricity, laser device etc. air tight seal welding. 用途：适用石英晶振、声表滤波器、微波器件、晶体管、整流管、传感器、光电器件、激光器件等气密性封焊。
- 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。
- The system utilizes a Supersonic Wave Filter positioned in front of the CCD, between the low pass filter and the shutter. 不是抖低通，低通抖不得。超声波滤镜是安装在快门后面，低通前面的单独机构！
- Many new technologies are helpful to biosensor develop,such as field effect transistor(FET),fiber optics tuber(FOS),surface audio wave(SAW),quartz crystal resonator(QCR),surface plasmon resonce(SPR). 最初,以酶电极的生物传感器开始,逐渐扩展到多种技术,如,离子敏场效应管、光纤、声表面波、石英晶体谐振器及表面等离子体谐振技术将生物传感器的发展推向一个新的阶段。
- The company have an advanced product line domestic and abroad, manufacture management quartz crystal resonator chief, filter, oscillator; ceramic resonator, filter and sound surface resonator, filter,etc. 公司现拥有数条国内外先进生产线，主要生产经营石英晶体谐振器、滤波器、振荡器；陶瓷谐振器、滤波器及声表面谐振器、滤波器等。
- The key technical points of the system lie in adding a secondary wave filter and widening the application scopes of the control system. 该系统具有两个创新点，即增加了二次滤波器和拓展了电泵控制系统的应用范围。
- An optical low pass filter (OLPF) used in front of the sensor of a CCD camera was designed, according to the birefringent effect of quartz crystal and infrared cut-off optical filter. 摘要利用石英晶体的双折射效应和特殊红外截止滤光片设计并实现了一种日夜两用光学低通滤波器。
- Engage in manufacturing anodize power supply, coloring power supply, wave filter and rectifier for Al surface processing; various kinds electroplating power supply. 铝表面处理氧化电源、着色电源及电力滤波系统的生产制造;各型电镀电源的生产等。
- 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。
