economic useful plant 中文意思是什麼
economic useful plant
解釋
經濟植物-
Abstract : profit portion estimation for the mechanization in plant produ cts ind ustry is useful to understand the development level, potential, trend of agricul tural mechanization for government decision making and it is also an answer to h ow to estimate the single factor ' s influence on an complicated economic system
文摘:測算農業機械化對農業生產的貢獻率,實踐上有助於從總體上把握農業機械化的發展水平、發展潛力和趨勢,對農業機械化事業的決策具有重要的參考價值;理論上研究產業系統單因素的貢獻率具有學術意義。
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