例句與造句

1. The main advantage of this pdm converter is that one half - cycle of the high - frequency voltage becomes the basic unit of synthesis of the low - frequency signals . the area difference under the reference signal and synthesized signal and the next pulse with the polarity will reduce thi s difference
   Pdm技術(shù)的特點(diǎn)是將高頻交流脈沖信號(hào)的一個(gè)半周期作為合成低頻信號(hào)的基本單元，通過(guò)比較同時(shí)刻參考波形和輸出波形的面積差，使得兩個(gè)曲線包圍的面積可以基本維持平衡。
2. It's difficult to find one half-cycle in a sentence. 用one half-cycle造句挺難的