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In this paper, the concrete process of implementing electronic post is described. The method of producing and calculating cryptogra-phic key is discussed. Some enciphered and deciphered math models are proposed which are used when the length of cryptographic key is exceeding the range of computer's integer. At last, some analyses on strength of keeping secrecy is made

本文介绍了在公开密钥密码法的基础上，实现电子邮政的具体过程，讨论了密钥产生和计算的方法，建立了在密钥的位数远远超出计算机数域范围的情况下，实现加密和解密种种数学模型，最后就其保密强度进行了分析，为微型机网络中传输数据的保密作了初步尝试。

This article enunciates preventive maintenance based on the state of key equipments in manufacturing execution system and management of workshop planning and scheduling. A comprehensive mathematical model between multi-key-equipments preventive maintenance and management of workshop planning and scheduling is offered.

1引言制造企业中关键设备是指发生故障时对整个生产系统影响较大的设备，特别是自动化流水生产线和联动设备；必须确保安全性能的设备，如动能设备；价格昂贵的精密、大型，重型、稀有设备；故障停机修理费用及停机损失大的设备等。

But the managing in pluralism of the company does not have very good promotion of its key competitiveness and even caused the key competitiveness of the company to construct fuzzier too.

北方公司进行多元化经营并没有很好的提升其核心竞争力，导致公司的核心竞争力构建也愈加模糊。

In his horn solo, he kept modulating from key to key.

在他的小号独奏中，他不断地转换调子。

Bits are discarded, reducing the key to 56 bits. Bit 1 of the permuted??block is bit 57 of the original key, bit 2 is bit 49, and so on with bit??

第一位是原密钥的第57位，第二位是原第49位，第五十六位就是原来密钥的第4位。

Of key parameters standard design. It predigests the design and improves the design veracity.(2) Base on the in-depth research of asteroida! magneto, points out the compute of lamp coil design is the key of magneto design; and points out the type and structure of permanent magnet.

2在深入研究星形磁电机的基础上，提出照明绕组设计计算是磁电机设计的关键；并提出磁电机用铁氧体永磁材料以选用径向磁定向和削角瓦形的结构为宜。

Matthew 24 and key prophecies in Daniel are key passages if we are to understand this issue.

马修24和丹尼尔关键的预言，如果我们要理解这个问题的关键通道。

Content and learning strategies are designed with the key objective of equipping and preparing the L+D specialist to evolve into roles purveying key internal consultancy to business line and senior management.

课程主要目标是通过课程内容和学习战略帮助和武装&学习和发展行业&专家演化成为可以对公司业务和高级管理的提供内部咨询的顾问角色。

Based on reviewing the history of manufacturing system, and analyzing the future trends of the manufacturing industries in the 21〓 century, the key study focuses on the Life-cycle information-functional model of VE, the multi-level production resource model in VE, the key factors impacting the enterprise cooperation success, the evaluation system of enterprise's production resource compatibility, fuzzy quantitating method of resource compatibility, designing and development of computer supported partner selection decision system, etc.

本论文全文共七章，在回顾制造系统的变迁过程、展望其未来发展趋势的基础上，重点研究了虚拟企业的全生命周期信息功能模型、虚拟企业的分层次生产资源建模、影响虚拟企业协作成功与否的关键因素的分析、企业生产资源兼容性评价体系的构建、企业生产资源兼容性指标的模糊量化方法、虚拟企业的企业伙伴选择模型、企业伙伴选择模型的算法设计、计算机辅助企业伙伴选择决策系统的设计和开发等等。

The algorithm splits the original image to some blockes and do DCT transform,chooses three low-frequency coefficients in every block,quantizes them and chooses the least significance bits,then does the xor operations with the corresponding bits of water mark.,the result is the key.At the same time,we choose three high-frequency,and do the same operation and generate the other key.

该方法对原始图像进行分块DCT变换，每块取三个DCT低频系数，把这三个系数量化后取最低有效位，与水印的对应位进行异或运算得到密钥；再取三个高频系数进行异或等运算得到另一密钥。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。