查询词典 stamp collecting

In the 1950s he entered politics via Barcelona city council, later joining Franco's rubber-stamp Cortes, Spain's upper house of parliament.

上世纪50年代，他成为巴塞罗那市议会的一员，由此进入政坛，随后又加入了佛朗哥的"橡皮图章"议会——西班牙上议院。

Firstly, this paper puts forward an improved authentication and key distribution scheme for internet environment, in which we adhibit multilevel authentication center, encryption technology of DES, RSA and one-way function to actualize the safety of communication among the different user on network and reduces the workload of the authentication institution; at the same time, this scheme can also assure the security of network. Besides, it use the temporary symbol and the responds" sign of both-side correspondent to replace time stamp and applies them to internet communication to countercheck "rebroadcast attack and accordingly resolves the problem that it needs synchronization for network clock.

本文在首先提出一种改进的Internet网络环境下的认证及密钥分配方案，该方案考虑采用了多级认证中心，DES、RSA和单向函数加密机制，实现了网络上不同用户间的安全通信，降低了网上认证机构的工作量，同时也能够保证网络的安全性；并用通信双方的临时标志和响应者标识来代替时间戳应用于Internet通信中以防止"重播"攻击，从而解决了以往需要网络时钟同步这一难题。

Inverted surcharge of "temporarily used for" 2c on 3c junk 1st peking print, used on piece, tied by shanghai dater on sep 24, 1924, this stamp has the same position from the setting as that listed on p.270 of "prize selections爁rom the rocpex taipei'81", only about 20 pieces believed to exist, well-known as one of the "four rarities of republic of china", from overseas collector, extremely precious, vf rmb:

贴北京一版帆船加盖"暂作"改值邮票2分/3分倒盖变体剪片，销上海1924年9月24日戳，颜色鲜艳，齿孔完整，此票与台湾《邮展选萃》270页图为同一位置版式，存世仅二十枚左右，为"民国四珍"之一，此票源自海外藏家，首次在中国大陆拍卖会上出现，极少见，上品

DAUBER DUOS STAMP INKS - LOT OF 6 - Fantastic Offer !

二个邮票油墨-很多6 -神奇！

This is just what the Kuomintang government had been demanding for twenty years, but in finally putting his stamp of approval on this agreement, Chiang practically signed his own death warrant.

这正是国民党政府二十年来所要求的。但是，蒋介石终于在这些协议上签字的时候，也就等于宣判了自己的死刑。

One set of space ship decoration with stamp, first day cover, certificate and case

神州五号收藏套装包括：金属模型摆设一尊，邮票及首日封各一套，收藏证书及盒

Building windows blue diamond-shaped stamp mosaic glass, elegant crystal.

建立Windows蓝色钻石形邮票镶嵌玻璃，优雅的晶体。

Chapter 3 dissertates the structure, trust model, security performance and development of PKI, then discusses the correlated technologies of PKI which includes message digest, digital signature, digital time stamp, digital certificate, SSL, SET and IPSec protocol.

首先分析了PKI的体系结构、信任模型、安全性能和发展方向，然后讨论了PKI的相关技术：包括消息摘要，数字签名，数字时间戳，数字证书，SSL协议，安全电子交易(Secure Electronic Transaction，SET)协议，和Internet安全协议(Internet Protocol Security，IPSec)。

This mail is tasted with the directest way, the high speed that shows science and technology of our country number to the whole world develops prospect, opened China postal for " network doorplate " the beginning that patent technology issues special stamp.

该邮品以最直观的方式，向全世界展示我国数字科技的高速发展图景，开了中国邮政为"网络门牌"专利技术发行专用邮票的先河。

The intense suffering of this experience left a lasting stamp on Dostoevsky's mind.

这次极端的痛苦体验给陀思妥耶夫基留下了不可磨灭的印迹。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。