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维护系数
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维护系数
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工学
照明计算
释
maintenance factor ;MF
维护系数
照明系统在经过一段时间后在工作面上产生的平均照度(即维持照度)与该照明系统新安装时所产生的平均照度(即初始照度)的比值。
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coaxiality
coaxiality measurement
coaxial line
coaxial linear magnetic grid ruler
coaxial lines
coaxialoid system
coaxial packaging technology
coaxial pencil of circles
coaxial planes
coaxial plasma gun
coaxialprobe
coaxial relay
coaxial resonant cavity
coaxial spherical system
coaxial stacking
coaxial system
coaxial system of circles
coaxial transmission photography
coaxial type detector
coaxial-type detector
coaxial viewfinder
coaxial water line
coaxial window
coaxing
coaxis three-mirror-anastigmat camera
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