单词：power stage
power stage的用法和样例：
例句
- In consideration of the directivity and acoustic power, the input voltage distribution of a loudspeaker array can be optimized and selected.运用该方法可以优化扬声器阵列的输入电压分布，获得指向性和声功率级二者兼顾的扬声器阵列。
- The valve is driven directly by a large strake multilayer piezoelectric stack, its displacement actuates the power cascade spool after amplification by a lever mechanism.该阀采用大行程的压电叠堆作为驱动元件，经杠杆放大后的位移直接驱动功率级滑阀。
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