In design of variable oscillator,programmable logic device,resistances and capacitances are put together to form a funcitional block.
利用可编程逻辑器件和阻容元件构成一个变音振荡器，实现了可编程逻辑器件和模拟电路的有机结合。
Effects of geometrical size on flow characteristics of jet in sonic oscillator;
几何尺寸对音波振荡器射流流动特征的影响