Normal quartz oscillators drift slightly with changes in temperature, which is bad for precision metrology equipment. A TCXO contains a quartz crystal, an amplifier circuit to drive it, and a temperature compensation circuit which shifts the resonant peak slightly up or down to null out the effects of thermal drift.
Teenage boy and girl riding ebike were declared dead at scene in Greenbank on Thursday night, Queensland police say
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the owner writes bottom.。谷歌对此有专业解读
「一刀未剪」，新版《呼啸山庄》定档 3 月 13 日，更多细节参见今日热点
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