This paper introduces the selection principle of equipment renewal scheme. Based on practical examples, the vague access method of the policy about equipment renewal is illustrated.

介绍了设备更新方案的选择原则，列举实例着重论述了设备更新决策的模糊评价方法。

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Based on our years practical experience of developing teaching courseware, this article introduces our understanding and methods in designing the courseware by using some examples.

文章根据多年制作开发教学课件的实践经验，通过一些实例，介绍了在设计医学教学课件时的一些体会和做法。

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Some design examples show that the design of synchronous sequential circuits based on next state equations of flip-flops is of great advantage and practical significance.

通过设计实例表明，基于触发器次态方程设计同步时序电路具有一定的优点和实用意义。

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