网络与数据通信 协议体系与组成结构 释文 broadcast network 广播网络
- mean sea-level
- mean sea level transfer
- mean sea surface
- mean shift
- mean sidereal day
- mean sidereal second
- mean sidereal time
- mean sidereal year
- means of consumption
- means of health supervision
- means of national economic management
- means of payment
- mean solar day
- mean solar second
- mean solar time
- mean space
- mean speed
- mean speed of gas molecular relative motion
- mean spherical approximation
- mean spheroid
- mean square
- mean-square approximation
- mean-square consistent estimator
- mean-square contingency
- mean-square continuous