查询词典 proxy

Following titman and wessels(1988), we do not use market to book to proxy for growth since it can be highly correlated with leverage when the latter variable is defined as the ratio of the book value of debt to the sum of the book value of debt and the market value of equity.

顺着titman 和wessels(1988)的思路，我们并不使用&市场账面比&来表示成长，是因为当&账面变量&被定义为债务的账面价值比上债务的账面值与净产值的市面值的比率时，&市场账面比&就很可能和杠杆作用相关联。

Greater openness serves as a proxy for the degree of competition and the transferal of technological knowledge from abroad that reduces risk.

更大程度的开放提供了一个替代的竞争程度和transferal的科技知识，从国外可降低风险。

Furthermore, the unforgeability and untraceability properties of proxy blind signature schemes are discussed.

同时也探讨代理盲签章机制之不可伪造性和不可追踪性等安全议题。

Analyses of two nominative proxy signature schemes proposed by Seo et al.(2003) and Huang et al.(2004) are given in this paper. The results show that neither the scheme has the property of strong unforgeability.

摘要该文分析了Seo等(2003)和黄振杰等学者(2004)提出的两个提名代理签名方案，指出这两个方案都不具备强不可伪造性。

First of all, this thesis points out that Qian-Cao-Xue\'s scheme (the first threshold proxy signature scheme from bilinear pairings) does not possess the property of strong unforgeability, presents two attacks and proposes an improved scheme which can resolve the security problem existing in their scheme.

本文主要研究了面向群体的数字签名中的代理数字签名、群数字签名及其应用，对一些数字签名的安全性进行了分析，设计了一些具有附加功能的数字签名。

In this paper, the first identity-based proxy signature scheme without random oracles is proposed based on Paterson, et al's identity-based signature scheme. The unforgeability of the proposed scheme is based on the hardness of the well known computational Diffie-Hellman problem.

利用Paterson等的基于身份的签名方案构造了一个基于身份的代理签名方案，并在标准模型下基于计算Diffie-Hellman假设证明了它的安全性。

S scheme which is a combination of Mambo et al.\'s proxy signature scheme and Zheng\'s signcryption scheme. Our analysis demonstrates that their scheme cannot guarantee strong unforgeability, strong identifiability, non-repudiation, and prevention of misuse.

他们的体制本质上是Mambo等人的代理签名体制和Zheng的签密体制的结合，安全性分析表明他们的体制不能满足强不可伪造性、强可识别性、不可抵赖性，也不能防止滥用。

The next step in the evolution of the simple time symmetrical Ts made use of the so called "unweighed" value Line Index plotted below as a proxy for mutual funds.

下一步发展过程中的简单的时间对称的Ts使用了所谓的& unweighed &价值线指数绘制如下的代理共同基金。

Made¤óFu and Germany Ville Pump two in the world's most famous companies in Guangdong, one of the Proxy.

取得了丹麦格兰富和德国威乐两个在世界泵业最具知名度公司之一的广东代理权。

At the end of this paper,we give the concrete scheme of improvement and consummation for the proxy based VOD system.

在本文的最后还对系统进行了性能分析并且对系统的改进做了一些探讨。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。