The set of rules governing the operation of functional units of a communication system that must be followed if communication is to be achieved.
英
美
- 管理某一通信系统的功能部件操作的一组规则，如果要实现通信，必须遵循这些规则。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
