This Agricultural Extension Service helped make American farms the most productive in the world.
这项农业推广服务让美国成为世界上生产力最强的国家。
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。
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。
The Agricultural Extension Service at the University of Tennessee says growers should do this every year after harvest.
田纳西大学农业进修服务部的专家建议在每年收获完果实之后进行一次修整。
Alongside with the evolution of agricultural, industrial and knowledge economy, the nature and extension of labor are changing, scientific, management and service laboring all create values.
随着农业社会、工业社会和知识社会的演进，劳动的内涵和外延都有变化，科技劳动、管理劳动和服务劳动都创造价值。
Alongside with the evolution of agricultural, industrial and knowledge economy, the nature and extension of labor are changing, scientific, management and service laboring all create values.
随着农业社会、工业社会和知识社会的演进，劳动的内涵和外延都有变化，科技劳动、管理劳动和服务劳动都创造价值。
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