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Abstract－Online group negotiation mode based on credit brings in credit mechanism, provides an safe and convenient trading platform to both vendor and purchaser, and it is an tri-win mode: Consumers can get goods and better service at a favorable price. Network agency can run without stock, be free of the risk of sale and physical distribution, return and exchange of commodities are taken in charge by suppliers, as a result, network agencies reduce the operation risk and cost, and make agency expense. Suppliers can sell a great deal of commodities, reduce operation cost and inventory risk, and get enough profit and many information of consumers with this mode in such a competitive meager profit times.

文中提出的基于信用的网上集体议价模式引入了信用机制，为买卖双方提供了安全便捷的交易平台，是一个三赢的模式：消费者能以优惠的价格购得商品和更好的服务；网络中介没有库存积压，无需承担销售风险，物流，退货、换货均由厂家负责，降低了自己的经营风险和成本，赚取了中介费用；厂商能在竞争激烈的微利时代，利用此通路出售大量商品，减少作业成本和库存风险，获得足够的利润，此外还可以获得大量的消费者信息。

RESULTS: All 24 SD acceptor rats were involved in the result analysis without miss.

结果：纳入受体SD大鼠24只，全部进入结果分析，无脱失。

The Frechet derivative of the cost function is determined via the solution of an adjoint partial differential equation, and the boundary shape is then modified in a direction of descent. This process is repeated until an optimum solution is approached. The advantage is that the cost function variation is independent of the flow field variation, with the result that the gradient of cost function with respect to arbitrary number of design variables can be determined without the need for additional flow-field evaluations. So each design cycle requires the numerical solution of both the flow and the adjoint equations leading to a computational cost roughly equal to the cost of two flow solutions.

虽然他们的研究成果大多数都可以在公开性文献上看到，但是其中一些具体的细节问题的处理方法却没有透露，比如：伴随方程如何离散求解才能减小最终梯度计算中的误差，使得设计过程有效地进行；伴随方程与流动方程的边界条件是不同的，如何合理地处理伴随方程的边界条件，才能推动设计过程朝着设计目标而发展；在减阻问题中目标函数如何定义，求解梯度的具体数学公式如何推导，如何通过数值方法来实现它们等。

This thing also is to just happened, before actually he does not give the client now optimize charge already not important, the program of the website is in my hand, at the same time the website is ranked from do not have having is we are done single-handed, want it is too easy that the rank of the website goes down, but I also won't be done so , just carry this business, feel SEOER often lies really occasionally deeply ahull, no matter you are a rank,did not do what can gas lets you suffer, the client went may saying the result is bad on the rank, look for origin of a few manage to push procrastinate not to sign a contract with you, the platoon does not go up he can say you scold your dish bird without the technology!

这个事情也是刚发生，其实客户他现在给不给之前的优化费用已经不重要了，网站的程序在我手里，同时网站排名从无到有都是我们一手做起来，要想网站的排名下去太容易了，但我也不会这样做，只是通过这个事情，深刻感觉到SEOER有时候真的老处在下风，不管你是排名做上去了还是没有做上去都会有气让你受的，排名上去了客户可能会说效果不好，找一些理由来推拖不跟你签合同，排不上去他会说你没有技术骂你菜鸟！

SAA ligand Lh could induce asymmetric addition of terminal alkyne to aldehydes without using air-sensitive Ti4and expensive Zn2.with good result of high yield (up to 99%) and good enantioselectivities (up to 84%ee).

将SAA配体Lh应用于在无Ti_4和Zn_2的条件下促进端基炔对醛的不对称加成反应中，反应的收率普遍较高，最高达99%，对映体选择性高达84%ee。

Result: Most of the 18 patients were observed with mild reactions and they could recovered after ceasing the arsenic treatment or allopathy. There was no infection after allopathy treatment without ceasing drug.

结果：本组18例患者在治疗过程中，大多出现了不同程度的不良反应，如：水钠潴留、胃肠道反应、皮肤干燥、肝功能损害等，但程度均较轻，一般无需停药，给予适当的支持治疗和护理后症状缓解，继续治疗。

Result: Most of the 18 patients were observed with mild reactions and they could recovered after ceasing the arsenic treatment or allopathy. The re was no infection after allopathy treatment without ceasing drug.

结果：本组18例患者在治疗过程中，大多出现了不同程度的不良反应，如：水钠潴留、胃肠道反应、皮肤干燥、肝功能损害等，但程度均较轻，一般无需停药，给予适当的支持治疗和护理后症状缓解，继续治疗。

Blend various advantages of the coding project of the parameter audio frequencies in the meantime, carried on adjustment on the coder structure, have to a certain signal more the mold piece of coding result, if wave structure analytical transformation short time of the mold piece, double the composition examine and double the transformation short time mold piece etc. is an options to bring into coder, from user while coding according to small together source voice document of small together characteristics, decide whether use and how use, but these vivid constitutions can through a code flow in define several good to mark ratio in advance tell a decoding machine especially, constituting decoding machine is little with complications to without direct influence.

同时融合多种参数音频编码方案的优点，在编码器结构上进行了调整，将只对某类信号有较好编码效果的模块，如谐波结构分析模块、双变换短时成分检测与双变换短时模块等，作为选项纳入到编码器中，由使用者在编码时根据小同源声文件的小同特点，来决定是否使用和如何使用，而这些灵活的设置都可以通过码流中预先定义好的几个标示比特位来告知解码器，对解码器本身的构成与复杂度少没有直接的影响。

A section of blade in knife can swing, this is to come into contact with the blade rollers without arose as a result interolcking scraping unevenness, so at the last fixed blade that from both sides will squeeze blade only 34, ink tools without leaving gaps in the front end of the blade and rollers contacted fall into line.

不朱刀在不朱刀支架上是可以把握摆动的，这是为了不朱刀在隔绝不朱辊时不会因爆发不正位而变成刮不朱不匀，因此在末了变动不朱刀时一定要从双方不兵34只不朱刀挤不松，不朱刀间不不去间隙，使不朱刀前端在与不朱辊隔绝处排成曲线。

Wu: The domestic mining industry begins to realize the necessary of the modern exploit equipment such as wire saw machine and high-speed rock driller. But there are quite a lot of quarry owners without scientific exploiting way. For example, some of them used cutting disc to mine the marble and granite which without better integrality. As a result, they have wasted much time and fund.

吴：国内采石矿业逐渐意识到使用金刚石绳锯机、高速凿岩钻机等现代化开采装备的必要性，但仍有相当多的矿主没有清晰的开采思路，比如有些矿主使用圆盘锯开采大理石或完整性不好的花岗石矿山，结果是浪费了很多时间和资金。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐