This paper elaborates some opinions about steam drum water lever measuring technique and application of control device in sub-critical units.

本文阐述了在亚临界机组中汽包水位的测量方法及控制设备应用的几点见解。

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The results of application show that the device offers good effect on real time environment temperature and humidity control, features high reliability, easy to expand and high accuracy.

应用结果表明，本装置控制效果好、可靠性高，便于扩展、精度高，能实时监控环境温湿度。

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The design and realization technology suitable for integrated real-time simulation device of UAV flight control are presented. The practice and application is emphasized.

本文给出了适于无人机飞行控制的集成化实时仿真设备的设计与实现技术，着眼于工程实践和应用。

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The review notes that all of the media player and internet controls are the same as the aforementioned device (Cover Flow, lists, zooming, etc.), though the touch allows you to "double-click" the button on the front of the device to bring up a music control-panel, no matter what application you're in.

ENGADGET: iPod touch gets its first review