communication field短语¹⁴⁴⁹⁷²⁺² 基本例句 🌏通信字段；通信栏；通信场 The way to pass the Broad Band information to the user and realize the point to point all digital multi- media communication is the focus in the communication field in the world. 如何将宽带信息传送给用户，实现端到端全数字式的多媒体通信，是全世界通信界所关注的。 cnki