boll的例句大全

Biological characteristics and population dynamics of cotton boll worm in Dunhuang region

敦煌棉区棉铃虫生物学特性和消长规律研究

Damage to cotton and economic threshold of third generation cotton boll worm in northern China Cotton Area

华北棉区第三代棉铃虫对棉花为害损失与经济阈值的研究

Farm demonstration work in the South helped to fight the cotton boll weevil.

南部农场示范工作大大帮助了对棉花象鼻虫的防治.

It's called the boll weevil because it destroys the cotton boll, the seed pod that contains the cotton.

之所以会被称为棉子象鼻虫，是因为这种昆虫会毁坏棉花球，以及含有棉花的种子荚。

Different flowering dates and bolling positions had a significant effect on the individual boll weight, boll period and fiber quality of cotton.

棉花的不同开花期和结铃部位对铃重、铃期和纤维品质有显著影响。