the yield per unit area 单位面积产量
yield per unit area 单位面积产量 ; 亩产
yield per unit recruitment 单位补充渔获量
yield per unit of gear 单位渔具产量
per-yield-per-unit production cost 按单位产品计算的生产费用
yield per unit gear 单位渔具产量
fictitious yield per unit 虚拟单位产量
grain yield per unit area 粮食单位面积产量有
Ways of improving crop yield per unit area and the countermeasures.
提高作物单产的途径与对策。
There is potential for increasing the yield per unit area on the existing cultivated land.
提高现有耕地单位面积产量有潜力。
But food yield per unit is very not tall still, still have very large increase production latent capacity.
但粮食单位面积产量还不很高，仍有很大的增产潜力。
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