查询词典 Internetwork Packet eXchange

In the process of exchanging with Sister Cities, we have made three aspects of development: first, from 1993 to 2007, these 15 years witnessed the increasing numbers of sister cities; second, exchange visits extended from governments to nongovernmental organizations. Third, in the extension of exchange fields, it had diverse communications from culture, education to health, physics, economics, and social development.

在国际友城交往过程中，我们实现了三个方面的延伸：首先是友城数量的不断延伸，从1993年开始到2007年，15年间友城数量不断增加；二是政府间高层互访向各部门及民间交往的不断延伸；三是交往领域的延伸，从文化教育的交流到卫生、体育、经济和社会发展等多元化的交往。

Model is composed of heat exchange equation of side of air and heat exchange equation side of refrigeration.

程序的输入量为结构参数，空气，制冷剂的入口状态等，经迭代计算求解制冷剂的出口状态。

Considering transaction cost, Hedger's attitude to risk, variance of foreign exchange rate , with Von Neumann Morgenstern utility function and Bernoulli principle, this paper analyses optimal hedging of the foreign exchange risk during the import/export with forward/future contracts, and the influence of the above mentioned factors on the optimal hedge rate.

本文在前人研究基础上，考虑交易费用，决策人对风险的态度，汇率相对风险大小等因素，用Von Neumann- Morgenstern效用函数和 Bernoulli决策法则建立了研究利用远期/期货和约做外汇套期保值问题的一般模型，然后具体分析了一种典型情况下的最优套期保值率的性质。

At present, more and more search of secrete key exchange Hellman key exchange.

目前对于密钥交换协议的研究越来越多，如基于Diffie-Hellman的密钥交换协议。

Secondly, its deep research and design is finished about some key technologies of the software for the system. These include the high capability of multi-layer database system, the software of intellectualized electrical simulation drawing, the interlinkage and the real time data exchange of the heterology system, the data exchange with external and the share platform base on web pattern, and the software of system supervising. The software platform is made to fell in with system demand on the basis of current developmental tendency of technique.

其次，对变电站综合自动化中的一些软件关键技术进行深入的研究和开发，这些关键技术包括：高性能多层数据库体系、智能化电气模拟图绘制软件、异构系统互连与实时数据交换、基于web模式的对外信息交换与共享平台、系统安全防护软件，结合目前技术发展的趋势和本系统的实际需求，研制出符合系统要求的软件平台。

The experimental results showed that the ion exchange capacity and hydrogen ion transmigration rate of the CuPc8-SA cation exchange membrane were increased.

实验结果表明，CuPc8-SA阳离子交换膜的离子交换容量、H+离子透过率均获得提高。

Graded hydrolysates were desalted by cation ion- exchange resins and anion ion- exchange resins. By comparing the desalting rate and peptide recovery rate, the optimum hydrolyte flow rate was 10 CV/h.

采用阴阳离子交换树脂脱盐法对超滤分级肽进行纯化，以肽回收率和脱盐率为考察指标，确定10 CV／h为最佳流速。

Theoretically, the retention equation is derivated for organic amphoteric compounds on cation-exchange column with hydronium ion as eluent ion, in terms of acid -base equilibrium and ion-exchange equilibrium.

首次从理论上导出了有机两性物质在阳离子交换柱上以H〓为淋洗离子时的保留关系式并用实验加以了证实，以此估算了两性物质的碱性离解常数K〓。

Make promotion more, can exchange a link more, increase external link, it is to mix others exchange link, 2 it is to go of Baidu stick, know and other places just sends a card, 3 it is stationmaster of much associate with, can take a few your websites sometimes, 4 it is to arrive above A5 hair post, there is link above idiograph (the card that here does not encourage everybody to send a few rubbish in A5, can help others) as far as possible.

多做推广，可以多交换链接，增加外部的链接，一是和别人交换链接、二是去百度的贴吧、知道等地方发帖子，三是多结交站长，有时可以带一些你的网站，四是到A5上面发帖，个人签名上面有连接(这里不鼓励大家在A5发一些垃圾的帖子，尽量能够帮到别人)。

No sooner had British entry been agreed in 1972 than sterling entered the "snake", a forerunner of the exchange-rate mechanism, only to fall out ignominiously just six weeks later: an eerie foretaste of Britain's later membership of, and expulsion from, the European Exchange-Rate Mechanism in the early 1990s.

英国货币与欧盟的历史也有着消极的影响。1972年英国刚刚得到加入欧盟的批准，英镑就加入了snake——汇率机制的前身，但在六个星期后就难堪的退出——20世纪90年代早期英国加入又被强制退出欧洲汇率机制的一个怪异的预兆。

It's bell can reach over a meter in diameter.

它的身体最大可以达到直径1米多。

Now they are overdue and I shall have to pay a fine.

现在他们过期了，我不得不付罚款。