aggregate yield造句

Planned aggregate yield
计划总当量
With the reform of farm produces circulate system and the implement of " vegetable skep " project , china ' s vegetable industry has made great progress since our economic reform . now , china has become a country with the most aggregate yields of vegetables in the world
改革开放以来，随着农产品流通体制的改革和“菜篮子”工程的实施，中国蔬菜产业得到了长足发展，产量不断增加，目前中国已成为世界蔬菜生产第一大国；蔬菜对外贸易不断扩大， 2000年中国成为世界蔬菜出口第四大国。
It's difficult to find aggregate yield in a sentence. 用aggregate yield造句挺难的