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.
如果能适时地引入梯形电路的简单介绍，则rc移相式振荡电路的振荡频率及振荡条件可以容易地求出。
If we introduce the ladder-shaped circuit simple in good time, the oscillating frequency and oscillating condition of rc phase shift oscillating can be w.
如果能适时地引入梯形电路的简单介绍，则rc移相式振荡电路的振荡频率及振荡条件可以容易地求出。
If we introduce the ladder-shaped circuit simple in good time, the oscillating frequency and oscillating condition of rc phase shift oscillating can be worked out easily.
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