The set of rules governing the operation of functional units of a communication system that must be followed if communication is to be achieved.
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。
The functional changes associated with or resulting from disease or injury.
病理生理异常与疾病或伤害有关的生理变化或由其引起的生理变化
I'm hardly functional if I don't get eight hours' sleep!
我要是不睡上八个小时就无法工作。
