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agricultural economy
释义
agricultural economy
Encyclopedia
经济学
农业经济
释
agricultural economy
农业经济
农业中的经济关系和经济活动的总和。属于部门经济。农业与非农部门的区别在于农业利用生物的自然生长繁育来生产人类必需的食物和棉、毛等天然纤维,以及各种原料、材料和燃料等。
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high frequency grain insects control in electric field
high-frequency heating
high-frequency heating supply
high-frequency induction stove
high frequency interaction circuit
high frequency noise filtering
high frequency opreation and electrocoagulation devices
high frequency picker
high frequency plasma source
high-frequency plugging
high frequency propagation
high-frequency radiation
high-frequency reflection continuous profile method with minimal offset
high frequency rotational atherectomy
high frequency spark source
High frequency thawing equipment
high frequency titration
high frequency trading
high-frequency trading
high frequency welding
high frontier strategy
high fructose corn syrup
high fructose syrup
high gain design
high gain observers
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