How to promote the right actionrate of the Relay protect equipment is the most important and difficult problem of the power dispatch and communication system.
如何提高继电保护装置的正确动作率，一直是调度通信系统的重点技术难题之一。
2
In testing, it is emphasized to test the working principle and strength actionrate of horizontal ribs, and studies forced state of structure column and ribs and binding action for bonded structure.
试验中，重点考察了水平钢筋的工作机理和强度发挥率，研究了构造柱配筋的受力状态及对砌体的约束作用。
3
A 20-year action plan for cutting the rate of world population growth is expected to win wide approval today in Cairo.