For now, a controller class is a placeholder for one or more classes that would be fleshed out during design to implement the business logic of your system.
现在，控制器类是设计实现系统商业逻辑填充的一个或多个类的位置保持器。
2
Sequence diagrams model the flow of logic within your system in a visual manner, enabling you to both document and validate your logic, and are commonly used for both analysis and design purposes.
序列图以可视方式为系统中逻辑的流程建模，能够让您记载和验证逻辑，这通常用于分析和设计目的。
3
The design of logic architecture for embedded system is studied based on the basic function and feature of universal electronic measurement instruments.