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It is directly related to the development and exist of the enterprise. Seen from the dog-eat-dog market and the states of the coal enterprise. It is a logjam way to improve the price and increase the output of coal, but there is only way to improve the economical efficiently of coal through controlling the cost. But, on controlling of the cost, there is a great limitation in traditional product-centered cost calculation system.

从激烈的市场和煤炭企业自身的情况看，煤炭企业提高价格和提高产量的方法是行不通的，只有通过内部自身进行有效的控制成本才是提高煤炭企业经济利益的根本途径，而在控制成本方面，传统的以"产品"为中心的成本核算体系存在很大的局限性。

The accounting of subsidiary production cost, manufacturing cost accounting, the distribution of production fee between completed production and products; the methods of cost accounting are specified as varietals method, job lot method, method of fractional steps, sorting technique method and quota means

辅助生产费用的核算、制造费用的核算、生产费用在完工产品与在产品之间的分配；成本计算的品种法、分批法、分步法、分类法、定额法

Embarks from the monocycle stock model main consideration cost element, through the expectation loses smallest method and expectation profit biggest method realizes to the monocycle stock model in the stockout cost and the expired cost control,then determination best volume of order.

从单周期库存模型主要考虑的成本因素出发，通过期望损失最小法和期望利润最大法实现对单周期库存模型中缺货成本和过期成本的控制，从而确定最佳订货量。

The single source and single sink network and the multiple sources and multiple sinks network are considered,respectively.We first construct an auxiliary network and convert the min-cost flow problem in origial network into the min-cost circulation problem in the auxilary network,and then find the optimal solution of min-cost circulation problem in the auxiliary network by using out-of-kiltem algorithm.

分别就单源单汇和多源多汇情况构造不同的辅助网络，将原网络中的最小费用流问题转化为辅助网络中的最小费用循环流问题，然后用瑕疵算法求最小费用循环流问题的最优解，这样在求出原网络中最小费用流的同时，也获得了总流量的最优取值。

An unconstrained cost function is provided for the Orthogonal Space-Time Block Coded Multi-input-Multi-Output Antenna System. The global minima of the cost function are analyzed: in fact the global minima of the cost function is the normalized channel vector.

该方法主要利用了正交特性，给出了一个针对正交空时分组码MIMO系统模型的无约束代价函数，并分析了该函数的全局最小值：该无约束代价函数的最小值实际上就是实际信道的归一化矢量。

This thesis is to analyze the current situation of overhigh Chinese governmental administrative cost and the reasons for causing such situation by starting from the concept of Chinese governmental adminstrative cost, and bring about some ideas and suggestions for lowering the administrative cost of Chinese government by aiming at these reasons.

本文拟从政府行政成本的涵义着手，分析我国政府行政成本过高的现状以及产生这种现状的原因，并针对这些原因，提出一些降低我国政府行政成本的看法和设想。

But in the practical works, because of the neglect of cost control in the design phase and the lack of deep researches on cost control measures and regulation, the phenomenon of cost overrunning widely exists in the construction process.

然而在实际工作中，由于对设计阶段投资控制的轻视，以及对设计阶段造价控制的方法和制度缺乏深入的研究，造成了诸多建设过程中投资失控的现象。

Location-inventory system integrated design problem under stochastic demand The location-inventory distribution system design problem involving one supplier, candidate distribution centers and multiple retailers under normal distribution demand is studied in the background of building materials industry. Retailers adopt periodic reviewinventory policy, while distribution centers adopt continuous reviewinventory policy. Considering the trade-off between inventory cost, shipping cost and facility location cost, the integrated 2-echelon inventory control policies with incapacitated facility location model is presented.

随机客户需求下的选址-库存集成问题研究：以满足正态分布客户需求的型材配送物流为研究背景，研究了由单供应商、候选分拨中心和分销点构成的配送物流系统集成规划问题，分销点、分拨中心分别采用周期检查和连续检查库存控制策略，综合考虑库存成本、运输成本和设施成本之间的均衡关系，建立了二级库存控制策略与无能力约束选址集成规划模型。

The curve of the total cost is parallel with that of the total variable cost ,the perpendicular distance between them is total fixed cost .

总成本曲线和总可变成本曲线是平行的，它们之间的垂直距离是总固定成本

Report from our correspondent (Gu Xiaoyu of exercitation reporter Li Bin's reporter) yesterday, pay treasure network technology limited company announces to reach collaboration with Beijing telecommunication, it is OK that cost and user of firm network business will pay after Tian Yi not only henceforth through paying treasure online capture is expended, imprest cost user also can be on the net postal service hall finishs card full a cost to buy through paying treasure, the business of telephone bill pay that this means Beijing telecommunication and pay treasure implementation to not have seam support.

本报讯(实习记者李斌记者古晓宇)昨天，支付宝网络技术有限公司宣布与北京电信达成合作，今后不仅天翼后付费和固网业务用户可以通过支付宝在线缴费，预付费用户也可以在网上营业厅通过支付宝完成充值卡购买，这意味着北京电信的话费缴纳业务和支付宝实现无缝支持。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。