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minimum frequency scope 最小频率范围
scope and frequency filter 幅频复合滤波
adjustable frequency and scope 变频
scope-frequency characteristic 幅频特性
scope of frequency 频率范围
Scope and frequency of inspection 焊缝检验的范畴和比率
In this paper the designing method for crystal oscillator in low noise and widely stable frequency scope is presented and the principle chart is given.
本文主要论述了低噪声、宽稳频范围的晶体振荡器的设计方法，给出了设计的原理框图，通过实例介绍了振荡电路的设计过程并求出了电路参数值。
This technology is sensitive to minor structural damage on the early stage because of the high frequency scope of working frequency in the alternating electric field.
由于交变电场的工作频率高频范围，所以该技术对结构早期的细小损伤非常敏感。
With its narrow operating frequency scope and low measuring precision, traditional phase difference measuring system can 't satisfy the requirement of modern phase array technology.
传统的相位差测量系统，因其工作的频段窄，测量精度低，已不能满足现代相控阵技术的要求。
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