One of the nice features of Squirrel is its rich set of data structures relative to typical shells.

与典型shell相比，Squirrel的优秀特性之一就是它丰富的数据结构。

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This article presents how to set some attributes of ADO objects, create user interfaces combining some relative data bounding controls, and program simple database applications.

本文介绍了如何利用ADO对象设置一些属性，结合相关的数据绑定控件产生的用户界面，来创建简单的数据库应用程序。

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The problems of data reduction, including relative reduction and absolute reduction are introduced and unified as the set operation on difference list that is come from the difference matrix.

介绍了粗糙集数据约简概念，包括相对约简和绝对约简，并将它们统一为差别列表上的集合操作，其中差别列表是从差别矩阵引伸而来的。

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