随机循环应力-应变关系
Random cyclic stress-strain relations
循环应力-应变曲线
cyclic stress-strain curve
cyclic saturation stress strain curve
Cyclic stress strain curve
不中断电力供应
uninterruptible power supply
UPS
电力供应及照明系统
electrical power supply and lighting system
电力供应社会成本分析
Social Cost Analysis of Power Supply