C. With a relatively stable cultivation area, China can achieve its desired total grain output target if the annual average increase rate of per unit yield is 1%.
在播种面积相对稳定的前提下，只要粮食单产年平均递增1%，就可以达到预期的粮食总产量目标。
Human productivity and unit yield, efficiency and scale of operation positively correlated.
人力生产力与单位产量、效益和经营规模呈正相关。
The reactive tube diameter will affect the unit yield of multiwall carbon nanotubes and the quality.
反应管直径大小将影响多壁碳纳米管的单位产量并对多壁碳纳米管质量产生影响。
Crop variety, fertilizer dose, soil condition and production year are main factors influencing per unit yield.
作物种类、肥料用量、土壤肥沃度、生产年度是影响某一地区粮食单产的主要因素。
The covered stubble could increase water utilization and the capability of storage water and, it could prompt the root growth of spring corn obviously and raise the per unit yield of 32.1%.
秸秆覆盖可以显著地增加土壤水分利用率和蓄水量，促进玉米根系生长，提高玉米单产32.1%。
The comparative advantage of maize production in Jilin province was analyzed based on the sow area index, unit yield index, benefit index and comprehensive comparative advantage index in this study.
从播种面积指数、单产指数、效益指数以及综合比较优势指数的角度分析了吉林省玉米生产的比较优势。
The comparative advantage of maize production in Jilin province was analyzed based on the sow area index, unit yield index, benefit index and comprehensive comparative advantage index in this study.
从播种面积指数、单产指数、效益指数以及综合比较优势指数的角度分析了吉林省玉米生产的比较优势。
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