This controlsystem samples the speed of each wheel on a vehicle and controls each brake's pressure (to stop it from locking up) at up to 20 times per second.
该控制系统对车辆上每个轮子的速度进行采样，并以每秒20次的速度控制每个刹车的压力（防止它锁死）。
2
Just like tables, nicknames have an equivalent set of privileges that can control user access to the nickname objects on the federated system.
与表一样，昵称也有对等的一组权限，用于控制用户在联邦系统上对昵称对象的访问。
3
You can also put users in controlof the system by allowing on-the-fly filtering and by letting users reduce the search result without forcing another search.