In A-HeeD,instead of broadcasting communication cost each round,each node broadcast its cost reactively only when it found its cost change,which largely reduces times of broadcasting and network energy dissipation.

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Implement and redevelop Cost center and cost accounting control and provide cost analysis report.

完成并再開(kāi)發(fā)成本中心和成本核算控制，并提供成本分析報(bào)告播播私人影院。

In Ricardian Model, if we measure the environmental cost with the additional labor cost, we will find that the introduction of environmental technology and environmental cost will correct the traditional pattern of comparative advantage.

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Finally the standard cost is setdown according to the forecast result and control the cost with the standard cost.

然后根據(jù)預(yù)測(cè)結(jié)果制定出該物流企業(yè)的標(biāo)準(zhǔn)物流成本，并利用標(biāo)準(zhǔn)成本法對(duì)成本進(jìn)行控制欧美三四级日韩三四级。

The anode catalyst for direct methanol fuel cell is Pt-W-Sn/C, and it is prepared through dispersing carbon black in distilled water, adding H2PtCl6, tungstate and stannate, stirring to make the metal salt and H2PtCl6 adsorbed fully; dropping reductant to reduce and deposite until complete reaction; washing with distilled water, filtering and drying to obtain black C carried sanitary Pt-W-Sn catalyst. The catalyst has excellent methanol catalyzing activity and low cost, and its use can lower the cost of direct methanol fuel cell greatly and raise the performance/cost ratio of the cell.

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In the light that the existing trading cost leads to a total average cost U curve, the increasing demand results in a decline of sunk cost, the thesis identifies the subadditivity, works out the property of"limited competition", defines the meaning of"limited competition"and the economic characteristics of co-existing of private product and public product, monopoly and competition.

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There is more than 140 staff in the company, including 25 certified cost engineers, 81 certified public accountants, 36 certified public valuers, and 6 realty valuers, the project cost consultation was all managed by computers. In June 2002, the company was chose through public appraisal as "Top-10 Project Cost Consultant Institution" in Hubei. In January 2003, it was chose as "Superexcellence Collectivity" in the whole country by Ministry of Construction.

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A necessary and sufficient condition for the existence of guaranteed cost control is derived. Furthermore, it is shown that this condition is equivalent to the solvability of a system of linear matrix inequalities, and its solution provides a parameterized representation of guaranteed cost controllers. Based on that, the design of the optimal guaranteed cost controller is formulated as a convex optimization problem, which can be solved by the existing convex optimization techniques.

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For container lines transportation, the fixed cost of a ship will take over 20% of the total transportation cost. If the bunker fee and port charge were considered together, the ship related cost will be more than 50%.

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For one thing, if the materials store is too large, it will occupy too much fund and lead to torpidity of turnover fund. On the other hand, if the materials store is too small, it cannot meet the requirement of selling and producing, and will certainly increase purchase frequency or produce batch, thus this will expand the cost of purchase and produce, and cause the sum cost of inventory to be large. Therefore, enhancing the ability of inventory management and service level for its customers, and reducing the storage and the inventory cost is an important target of enterprise inventory management.

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