Thee lag is the first shot of the match and determines order of play. The player who wins the lag chooses who will shoot first.
比球是比赛中用来决定开球顺序的第一次击球。比球获胜的选手获得开球选择权。
2
Tunnel ventilation process is approximately a system of time lag of firstorder, real time control of wind pressure in tunnel pipe is adopted self-tuning fuzzy PID.
隧道通风过程可近似认为是一个一阶时滞系统，系统采用自整定模糊pid对隧道管网的风压进行实时控制。
3
The water supply process is approximately a system of time lag of firstorder, real time control of pressure in pipe is adopted self-tuning fuzzy PID.