基本解釋n.尺燭光同根派生 footcandle相關(guān)詞英漢例句ONE FOOTCANDLE(FC) EQUALS THE AMOUNT OF LIGHT RECEIVED ON A SURFACE FROM ONE CANDLE ONE FOOT AWAY. 照明單位)勒尅斯;測(cè)量一平方米上接受的光量.footcandle meter 英尺燭光計(jì)footcandle更多例句