1、Main control Unit, two-channel electrometer and servo controller.
主控制器單元，帶有兩通道靜電計(jì)和伺服控制器。

2、This paper describes the two-channel observations with experimental VLBI system.
利用實(shí)驗(yàn)VLBI系統(tǒng)進(jìn)行的雙通道觀測(cè)。

3、Both single- and two-channel GES with long pulses were capable of normalizing gastric dysrhythmia.
單導(dǎo)聯(lián)和兩導(dǎo)聯(lián)長(zhǎng)脈沖胃電刺激均能糾正胃電節(jié)律紊亂（P但對(duì)嘔吐相關(guān)樣癥狀無(wú)明顯緩解作用（P>0.05）。