房占地因數(shù) occupation factor: 利用系數(shù); 占位因子building occupation permit: 建筑使用許可occupation-related social factor: 與職業(yè)有關(guān)社會因素dose reduction factor of a building: 建筑物的劑量減弱因子shielding factor of building: 建筑物屏蔽因子下載手機詞典可隨時隨地查詞查翻譯