Methods: Using CCD camera to monitor surgical process and build a automatic feedback control system for judging the sudden change of color or brightness around laser hole.

方法：提出采用面阵CCD实时监视手术过程，并建立了孔切穿时色彩突变或亮度突变的识别反馈控制系统。

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From the automatic tuning technology of DM4 system, a major conclusion is that self-tuning database technology should be based on the paradigm of a feedback control loop.

从DM 4数据库系统的自调节技术实现中可以得出一个结论，那就是数据库的自调节技术应当建立在监控，反馈，调节这样一个循环的控制机制之上。

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At each unwinder the film wraps around a load-cell-mounted roller, which monitors the film tension, providing the feedback signal for electronic automatic closed-loop tension control.

每个拆卷机上，膜都是包裹在负载单元式卷轴上的，这样就能监测膜的张力，为电自动的闭环张力控制器提供反馈的信号。

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