With the rate limiting element in man machine closed loop system, we analyse the PIO using the method of describing function.

然后将速率限制环节置于人机闭环系统中，利用描述函数法对驾驶员诱发振荡（ PIO）机理进行了研究。

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As the most simple and directive method of man-machine conversation, handwriting recognition technique played an important role in intelligent device.

手写体识别作为一种最简单直接的人机交互手段，在智能设备中有重要作用。

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The system is consisted of model base, data base, method base and man-machine dialogue system on the basis of Management Informantion system (MIS).

该系统在管理信息系统(MIS)的基础之上，用模型库，数据库、方法库和人-机对话系统构成。

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