L/D

L/D lay down 甩开

L/D Lethal Dose n. 致命剂量

L/D long/diameter 长径比

L/D lap dip 色卡

L/D Lift/Drag (ratio) 升阻比

L/D Labor and Delivery 阵痛和分娩

L/D Loading / Discharging Rate (shipping) 加载/卸货率(船舶)

L/D Low Dynamic 低动态

L/D Limiter/Discriminator 鉴别器/

L/D Length to Diameter Ratio 直径长度比

l/d lift-over-drag ratio 升阻比

l/d light-dark(ratio) 明/暗比率