下列关于触发器的叙述中，错误的是______。
A、在触发器的创建中，每个表每个事件每次只允许一个触发器B
暂无解析
Inmyopinion,theyshoulddosomethingtorewardtheirmost_(produce)employees
Agoodworkerinakeyspotcould,hekeptupproduction,takeallthecoffeebreakshewanted,andthebosseswouldverylikelylooktheotherway.
Decisiononwhetherthemessageisrightorwrongshouldatleastcomeafter_____whatthemessageis.
Shehasnohostilitytous,_____canbejudgedfromhereyes
单色光垂直入射到每毫米500条刻痕的光栅上．若入射光波长为5.0×10-7m，求第二级主极大的衍射角；
