power stage的用法和樣例：
例句
- In consideration of the directivity and acoustic power, the input voltage distribution of a loudspeaker array can be optimized and selected.
運用該方法可以優化揚聲器陣列的輸入電壓分佈，獲得指向性和聲功率級二者兼顧的揚聲器陣列。 - 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.
該閥採用大行程的壓電疊堆作為驅動元件，經槓桿放大后的位移直接驅動功率級滑閥。
