让我们首先从物理和逻辑的角度研究每种方法。
Let's begin by looking at each approach from both physical and logical perspectives.
屏幕现在包含两个坐标系：物理和逻辑。
The screen now contains two coordinate systems: physical and logical.
我们正在开发一个系统，收敛的物理和逻辑，电子安全。
We are developing a system that converges physical and logical, electronic security.
逻辑存储和物理存储之间有细微的差异。
There is a subtle difference between logical stores and physical stores.
系统编目描述数据的逻辑和物理结构。
The system catalog describes the logical and physical structure of the data.
数据建模者，负责逻辑和物理仓库数据建模。
A data modeler, who is responsible for both logical and physical warehouse data modeling.
数据库的完整主要包括物理完整性和逻辑完整性。
The complete database includes physical integrity and logical integrity.
该模式使用数据的物理值和逻辑值的概念。
The concepts of logic value and physical value of data are used in this model.
在本文中重点讲了数据库的逻辑设计和物理设计。
In my thesis, I concentrate the database logical design and physical design.
掌握个人计算机的工作原理及逻辑组成和物理结构。
Master the working principle of the PC and logistic composition and physical structure.
掌握个人计算机的工作原理及逻辑组成和物理结构。
Master the working principle of the PC and logistic composition and physical structure.
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