having four parts 中文意思是什麼
having four parts
解釋
有四部分的-
In this study the penman discussed the complicated framework of the maize price, and particularly studied the main four parts : producing cost, circulating exes, margins, and taxes ; the factors that affect maize price are policies of government, value of money, supply and demand, system price difference, substitutions and etc ; some single and integrated modes of maize price forming are designed, and having forecasted the 2000 price of maize
本文的主要內容是： （ 1 ）現行玉米價格體系龐大復雜，其構成分生產成本、流通費用、利潤、稅金四個部分。 （ 2 ）玉米價格形成受多種因素影響，主要是國家政策、貨幣價值、供求關系、差價體系、比價體系以及替代品和其他相關產品。 （ 3 ）建立了玉米價格預測的單個和綜合模型，對2000年價格進行預測。 -
The paper has four parts. the first chapter, introduction, gives the origin of the problems and our main results. the second chapter proves that countable paracompact ( mesocompact, metacompact ) spaces have the characterization of junnila ' s and that hereditarily mesocompact spaces do n ' t have it. at last, we give the sufficient conditions for a space having the property that its every scattered partition has a compact - finite open expansion
第二章詳細證明了可數仿緊（中緊、亞緊）空間有類似junnila的刻畫，遺傳中緊空間不具有類似junnila的刻畫，最後給出了正則空間的每個散射分解有緊有限的開膨脹的充要條。
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