It is basically a passive data structure holding an abstract description of an action to be performed.

它基本上是一个被动持有一个抽象数据结构的描述一个动作。

youdao

The paper introduces the structure, theory and mechanism of data communication net in this system, especially RS232/RS485 passive level conversion module.

本文介绍了该系统中数据传输网络的组成、工作原理及数据传输机制，特别是设计独特的RS-232与RS-485之间的无源电平转换接口模块。

youdao