The perunitareayield of ginned cotton has increased by 10% over last year.
皮棉的单位面积产量比去年增加了10%。
2
The perunitareayield of ginned cotton has increased by 15% over the last year.
皮棉单位面积产量比去年增加了百分之十五。
3
We must protect primary farmland, keep the area sown to grain stable, improve the structure of grain varieties grown and increase the perunitareayield of grain.