This article elaborated our country compulsory education funds investment system history evolution and the present situation systematically.
本文系统地阐述了我国义务教育经费投入体制历史沿革与现状。
Based on the geological history evolution of Bogda, in this paper the process of basin formation, hydrocarbon generation and petroleum accumulation of Bogda region are discussed.
以博格达地史演化为主线，探讨博格达构造域成盆—成烃—成藏的演化过程。
Based on the geological history evolution of Bogda, in this paper the process of basin formation, hydrocarbon generation and petroleum accumulation of Bogda region are discussed.
以博格达地史演化为主线，探讨博格达构造域成盆—成烃—成藏的演化过程。
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