创建 Web 服务和 Web 方法的菜单选项在 IBM Explorer 树中的 Data Adapters 节点及该树中的单独数据适配器节点上提供。
The menu options to create the Web services and Web methods were provided on the Data Adapters node in the IBM Explorer tree as well as on the individual data adapter nodes in the tree.
通过讨论挑选数据的原则及存在的问题，介绍了几种构树方法的基本原理及步骤，并列举了它们的优缺点。
The present paper provides a brief introduction of the principles of data selection and tree-construction methods, and discusses about their advantage and disadvantage points.
最优二叉树是一种十分重要的数据结构，在通信、工程及软件开发等领域有着广泛的应用。
The optimal B-tree is very important data structure, it is broadly applied in the fields of communicating and engineering, and so on.
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