zero check routine  零检查例程

check for zero  校对零点; 查核零点

check of zero  零点查核

check the voltage settled be zero  检无压定值

disequlibrium at zero balance check  零平衡失效

zero passage check  过零检测

zero-zero  零-零跃迁

zero-zero escape system  零高度零速度弹射逃生系统

zero-zero gel  双零值静切力凝胶

zero-zero gelZ  形过滤机

zero-zero seat  零高度/零速度弹射椅

zero-zero transition  零零转变; 零零跃迁; 零零过渡

ZZ-TOP Zero – Zero Telecoms Operating Protocol  零对零电信操作协议

check digit check  检验位检验

Check in and check out  检入、检出功能

check sum check  校验和校验

machine check and program check  机器检查与程序检查

nonreturn-to-zero change-on-zero recording  不归零逢0变化记录

return zero problem around zero-frequency  零频归零问题