其次，小麦和水稻的产量增长一直低于玉米和大豆。

Second, yield growth has been lower in wheat and rice than in corn and soyabeans.

youdao

其次，小麦和水稻的产量增长一直低于玉米和大豆。

Second, yield growth has been lower in wheat and rice than in corn and soyabeans.

youdao