This article describes the field bus data and other communication technologies of the main features of the current list of a wider application of several field bus.
本文先容了现场总线及其他数据通讯技术的主要特点，列举了当前应用较广的几种现场总线。
In the other hand, the voice communication is always the important mode in the wireless communication, and its application area is keeping wider and wider.
而语音通信在无线通信中一直占据着重要地位，而且应用领域也在不断扩大。
应用推荐