單位: unit面積: area播種量: seeding rate單位面積: elemental area; flat size; unit area acoustic impedance; unit surface單位面積產(chǎn)量: per unit area yield; production per unit area; the yield per unit area; yield per unit area單位面積傳導(dǎo): unit surface conductance單位面積電容: unit-area capacitance單位面積電阻: unit area resistance單位面積浮力: unit buoyancy單位面積負荷: unit area loading單位面積功率: power per unit area單位面積流量: flow per unit area單位面積濃度: per unit area concentration單位面積強度: strength per unit area單位面積應(yīng)力: unit stress單位面積載荷: load per unit area; load rating單位面積質(zhì)量: mass area ratio; mass per unit area單位面積重量: weight per unit area單位面積株數(shù): number of hills per unit area; number of plants per unit area單位面積阻抗: unit area impedance; unit-area impedance單位面積組別: flat size grouping單位面積鉆壓: bit weight per unit area鄰里單位面積: neighborhood unit area每一單位面積: per unit area播種量: amount of planting seed; distribution rate; feed quantity; rate of seeding; seed quantity; seeding quantity; sowing norm; sowing rate