本文即以两校农学院为中心探讨美国的农作物改良技术在近代中国的引进和利用。

This paper, centralized on the two agricultural colleges, has discussed the introduction and utilization of the improved technology of American crops in China.

youdao

本文即以两校农学院为中心探讨美国的农作物改良技术在近代中国的引进和利用。

This paper, centralized on the two agricultural colleges, has discussed the introduction and utilization of the improved technology of American crops in China.

youdao