临时授权

本文讨论了一种临时授权模型，它为XML提供了精细的访问控制机制。

A provisional authorization model is presented in this paper which provides a sophisticated access control mechanism .

在此临时授权模型基础之上，我们详细讨论了XML访问控制的若干技术问题。

Based on this provisional authorization model , several problems of XML access control technology are discussed in detail .

引入临时授权的概念，用于表示和实现更为丰富的访问控制策略；

Besides this , it import the concept about provisional authority to express and implement more abundant access control policy .

董事长因故不能履行其职责时，可临时授权副董事长或其他董事为代表。

Should the chairman be unable to exercise his responsibilities for some reasons , he shall authorize temporarily the vice-chairman or any other director to act on his behalf .

经常发生的情况是会留下临时的su访问授权，因此该授权变为永久性的授权。

It is often the case that a temporary grant of su access is left and thus becomes permanently .