改善水稻作业环境、提高水稻生产力是目前面临的研究课题。

Now we face the problem that how to improve its growth condition and productivity.

youdao

改善水稻作业环境、提高水稻生产力是目前面临的研究课题。

Now we face the problem that how to improve its growth condition and productivity.

youdao