Pulse position modulation(ppm.

• 脉冲调制

Pulse position modulation(ppm.的用法和样例：

例句

1. Pulse modulated Radio Frequency bursts cause several things to occur physiologically to the human body and cells.
   脉冲调制无线电波频率的爆发导致了在人们身体和细胞的生理学的几种事情的发生。