结果表明：逐日降水量保证率对指导苜蓿收获期的选择是行之有效的；

The results show that the daily rainfall insurance rate effectively guides the choice of the alfalfa harvest times.

youdao

结果表明：逐日降水量保证率对指导苜蓿收获期的选择是行之有效的；

The results show that the daily rainfall insurance rate effectively guides the choice of the alfalfa harvest times.

youdao