crystal: n.1.结晶,(结)晶体;晶粒;水晶(=rock crystal);石英。2.【无线电】晶体。3.结晶玻璃;雕玻璃;〔美国〕水晶玻璃。4.〔诗〕水晶一样的东西〔冰、水、泪、眼睛等〕。5.〔俚语〕神秘的征兆;预言,占卜。6.〔美俚〕厕所。短语和例子eyes as clear as crystals 一双眼睛明如秋水。 a necklace of crystals 水晶珠项链。
Methods for the measurement of frequency and equivalent resistance of unwanted resonances of filter crystal units 滤波器晶体单元的无用谐振频率和等效电阻的测量方法
2.
Quartz crystal units ; methods for the measurement of frequency and equivalent resistance of unwanted resonances of filter crystal units 压电石英器件.测量方法.滤波器晶体附加谐振的频率和