forward channel短语⁸⁴³²⁰⁺⁸ 基本例句 单向通道,正向信道,正向通道,前向信道 The host computer control interface is compiled with VB. The lower computer mainly receive the collection value of the forward channel and send it to the host computer. 上位机主要实现了数据存储，控制参数向下位机输送，显示实时数据等功能，采用 VB编写上位机控制界面； fabiao