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Wireless Sensor Networks ; Key Predistribution ; Shared-key Discovery ; Key Transfer on multi-path ; Reliable Data Transmission ; Combinatorial Design ; Secret Sharing ; Error Correction Coding

863高技术；国家自然科学；无线传感器网络；密钥预分发；共享密钥发现；多路径密钥传输；数据传输可靠性；组合设计；秘密共享；纠错编码

Welcome to Nanchang, the City fun: Castle Lake Recreation Ground, Hong Gutan New Key has more than 100 m high fountain of music, very spectacular, beautiful night to see a better〕, Key Shengjin Tower during the long holiday merchandise is there a temple Street, Street snack, each of the local flavor snack food and flavor〕 Nanchang, Aug 1 Key Plaza, if a child can go to the exhibition hall, during the long holiday boutique Dong Manzhan〕 road victory of the pedestrian street, east of Sea World, during the long holiday Flower Fair held, as Lake Park and Park tianxiang.

欢迎你来南昌，城区好玩的有：青山湖游乐场、红谷滩新区〔有100多米高的音乐喷泉，很壮观、漂亮，晚上去更好看〕、绳金塔〔长假期间正好有庙会商品一条街、小吃一条街、各个地方的风味小吃和南昌风味小吃〕、八一广场〔如果有小孩，可以去展览馆，长假期间有精品动漫展〕、胜利路的步行街、城东的海洋世界、长假期间举办的花博会、象湖公园和天香园。

Close reading of Lunxun's key—images and their variations in meaning, demonstrating how"still—darkness", as the essential key—image, adsorbs other key—images and develop the dimension of"death".

细读鲁迅的主导意象的作用和意义变化，指出&寂静—黑暗&作为最重要的一个主导意象，与其它的主导意象形成一种共鸣，拓展了&死亡&的内涵和外缘。

The problems existing at present is embodied in: the use right of valuable instrument and equipment is separated from its ownership , every applying department takes up or uses free, make laboratories no power opening valuable instrument and equipment to outside to raise their utilization benefit; autonomies of the key laboratory are not enough, it makes some scientific findings of the key laboratories using value not high, and it has influenced laboratories transformation the scientific findings with society; the key laboratories, society and enterprise lack effective linking up the bridge, influence the laboratory to offer science and technology service to the outside.

宏观上，需要在现有的陕西省大型精密仪器设备协作共用核心网的基础上，依托高校实验室资源建立陕西省研发公共服务平台，以提供多样化应用服务优化专业服务供给，发展和完善科技服务市场。微观上，一方面需要各高校改变贵重仪器设备的管理方式，有偿使用或占用设备，建立高校贵重仪器设备公共服务体系；另一方面，需要改革实验室的管理方式，扩大实验室的自主权和独立性，同时加强对实验室的绩效管理和绩效评价，形成有效的激励和约束机制。

Through the quite symmetrical key encryption system and the public key encryption system good and bad points,summarize should use the mix key encryption system in the electronic commerce, both guarantee data security, and may enhance encrypts and deciphers the speed.

通过比较对称密钥加密体制和公开密钥加密体制的优缺点，总结出在电子商务中应采用混合密钥加密体制，既保证数据安全，又可提高加密和解密速度。

First,the number of group members is not fixed in the setup phase and the group public key is unchanged.Second,an entity can join the group at any time and obtain a private signing key without refashioning other group members' private signing key.Third,the identity of the group signature can be open by the authority and the procedure of the tracing can be check by anybody.

该方案有下列特点：在建群阶段不需要确定成员的数目并且群公钥固定不变；任何时候实体都能通过群权威加入到群中获得签名私钥并且无需更新其他成员的签名私钥；能通过群权威揭示签名人的身份并且这一过程是可验证的。

Assistant function module includes calendar, calculator and password rejiggering. Innovation was used on setting function key, shortcut key, combination key, shortcut menu and hint message.

在辅助功能模块中实现了日历、计算器、口令更改等功能，在功能键、快捷键、组合键、快捷菜单和提示信息的设置上使用了创新设计。

The scheme decreases the computation and storage of mobile nodes with reduced commutation overhead.The security is also improved for the initially existence of the off-line trued third party.The scheme provides high availability and security due to the distributed public key management model and gives a good solution to the problem of public key revocation dependent on the localized trust model.The server nodes of public key management can be dynamically adjusted to adapt to the dynamic nature of MANET.

方案中不需要公钥证书的存在，减少了系统通信开销以及结点的计算量和存储容量；在组网时依赖于一个离线的可信任机构，提高了系统的可信度；采用分布式CA模型，克服了传统集中式CAN用性与安全性的问题；依靠局域化的信任模型，对恶意结点进行了有效的处理，较好地解决了公钥撤销问题；****管理服务结点可动态调整，能够较好地适应MANET的动态特性。

In key management, an attack in which a complex communication session, between a host and a terminal, including the transmission of the session key, encrypted under the terminal key, is wiretapped and recorded.

在密钥管理中，一种搭线窃密并记录主机和终端之间复杂通信话路的窃密方法。

Re-call Key: after the bank assistant pressed the " Call" key, but this customer did not come to the window, the assistant can press this key to call this customer for many times.

&重呼&按钮：营业员按&呼叫&按钮后，该受理号码的客户没来窗口办理业务时，可按此按钮对该客户多次呼叫。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。