Extension Horticulture Technologist, Agricultural Extension Service, University of California, Riverside.

园艺推广技师，园艺推广中心，加利福尼亚大学河滨校区。

youdao

Extension Subtropical Horticulturist, Agricultural Extension Service, University of California, Riverside.

亚热带园艺推广专家，园艺推广中心，加州大学河滨校区。

youdao

Extension Subtropical Horticulturist, Agricultural Extension Service, University of California, Riverside.

亚热带园艺推广专家，园艺推广中心，加州大学河滨校区。

youdao