Having reviewed both domestic and international dissertations about resource pricing theories, compared domestic with foreign practices, stepped on the base of domestic realities, the author of this dissertation analyzes the pricing system of mineral resources both from theories and from its practices:First, analyzed China's current governmental pricing system and its effect on the market, and found some regulation problems such as inadequation and excession. Second, compared different mineral resources pricing methods and its effects on the market, and suggested new mineral resources pricing system for China. Third, raised some suggestion on how to regulate and manage through government administration in this new pricing system.

論文中借鑒國內(nèi)外成熟的資源定價理論，對比國外通行做法日韩一夲道无码免费视频，立足于國內(nèi)實際，從理論和實踐兩方面對礦產(chǎn)資源的定價體系進行研究：一是分析了現(xiàn)行中國礦產(chǎn)資源政府行政定價的制度及其對市場的影響，找到部分調(diào)控影響不到男人天堂黄片、不力或過度的問題；二是比較了國內(nèi)外現(xiàn)行不同的礦產(chǎn)資源定價體系及其對市場的影響欧美69xxxxx，提出了適應(yīng)我國經(jīng)濟社會發(fā)展的新礦產(chǎn)資源定價體系免费毛片视频网站；三是科學(xué)地提出了我國在應(yīng)對未來資源提價過程中如何合理發(fā)揮政府調(diào)控手段的建議。

The article improved and expanded the threshold access control model based on quantified permissions, solved the problems of access control system deduced by introducing permission quantity into permission concept, such as huge quantity of permissions and vales, heavy administration load, and inadequation to deal with the dynamic quantity evolution.

對基于量化權(quán)限的門限訪問控制方案進行了改進與擴展A片欧美日韩一区二区高清，解決了權(quán)限概念引入權(quán)限量后導(dǎo)致的訪問控制系統(tǒng)權(quán)限及角色數(shù)量巨大欧美日韩网站、管理負荷沉重以及不適應(yīng)權(quán)限量動態(tài)演化的問題。