1、The principle of the phase meter and it's block dia - gram are presented.
論述了相位計(jì)的工作原理，給出了系統(tǒng)框圖。

2、Turn on the phase meter and touch each plug of the socket;
打開相位計(jì)，并碰觸插座的每個(gè)插孔；

3、In this article the design and the realization of virtual phase meter based on.
介紹了基于時(shí)間法的虛擬相位差計(jì)的設(shè)計(jì)與實(shí)現(xiàn)。

phase meter翻譯