积分作用可以消除余差,因此在实际使用中,积分控制规律的过渡过程从被控变量偏离给定值开始到和给定值完全一致时结束
1、正确错误
暂无解析
Nowadaysitismoreconvenientandeasierforpeopletotraveltoothercountries.Doyouthinkthepositiveeffectsexceedthenegativeeffects?
We'dliketoexpressourdesiretoestablishbusinessrelationshipwithyouonthebasisofquality,mutualbenefitandexchangeofneededgoods.
Inordertohelpyoutodevelopbusinessinthisline,wearepreparetoofferyouadiscountof5%.
TheWorldPopulationExplosion
根据《联合国国际货物销售合同公约》的规定,发盘不得撤销的情形有()