详细讨论了组织控制、系统开发与维护控制、系统安全控制、硬件及系统软件控制、操作控制等控制方法。
Analyze the methods of organization control, system development and maintenance control, system security control, hardware and software control in detail.
为便于系统开发、维护，在类设计时将界面类与算法类分开实现。
The class of operation interface is separated from calculation class, so the interface is easy to design and the calculation class can be conveniently protected and expanded.
为便于系统开发、维护，在类设计时将界面类与算法类分开实现。
The class of operation interface is separated from calculation class, so the interface is easy to design and the calculation class can be conveniently protected and expanded.
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