半数有效效应室浓度
half effective target effect-site concentration
备用设备的位有效地址
BSRD Bit Significant Address of Reserved Device
操作数有效地址
operand field
operand effective address
address， operand effective
address
operand effective
换地有效期
validity of exchange offer
机组有效效率
unit effective efficiency
加载有效地址指令
load effective address instruction
输入有效地址
LEA Load Effective Address
修正有效温度指数
corrected effective temperature index
虚拟有效地址
VEA Virtual Effective Address
有效地层压缩系数
effective formation compression coefficient
有效地反射系数
effective reflection to earth coefficient
有效地控制通货膨胀
effectively control inflation
有效地面辐射
effective terrestrial radiation