受压翼缘有效分布宽度系数  effective width coefficient of compressive top flange

翼缘有效宽度计算系数  equivalent calculated coefficient of effective fla

有效分布宽度系数  effective width coefficient

混凝土强度有效系数  effective factor of concrete strength

等效宽度系数  equivalent width coefficient

Bahadur有效系数  Bahadur efficiency

Chernoff有效系数  Chernoff efficiency

Cramér-Rao有效系数  Cramér-Rao efficiency

半数有效效应室浓度  half effective target effect-site concentration

车道有效宽度  effective lane-width

单级过程有效系数  effective simple process factor

反应有效系数  valid reaction coefficient

基坑有效系数  effective coefficient of excavation pit

减缩有效宽度  Reduced effective width

能量系数－有效独立法  energy coefficient-effective independence method

爬电比距有效系数  creeping distance ratio effective factor

爬电距离有效系数  effectiveness of creepage distance

平板有效宽度  effective width of slab

平均有效系数  average efficiency