Based on the domain analysis of the mine project management system, the data tree table object model, database management object model, and general reports making object model are abstracted.
在对矿山项目管理系统进行领域分析的基础上，抽象出数据树表对象模型、数据库管理对象模型和通用报表对象模型。
Com (component object Model) technology as a new software developing method can provide general approach span programming language, operating system even network to visit component object.
技术是一种新的软件开发方法，它提供了跨越编程语言、操作系统甚至网络来访问组件对象的通用途径。
It is shown that the geometrical optics model can not be used to describe the object-image transformation of Gaussian beam through the lens under the general case.
结果表明，在一般情况下，几何光学模型不能描述高斯光束经这种透镜的物像变换。
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