The instruments installation and calibration of the multibeam sounding system are briefly introduced and the influence factors of the multibeam sound system are analyzed.

简要介绍了多波束测深系统的仪器安装和校准方法，分析了影响多波束测深精度的因素。

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This paper discusses the issue for locating, installation and calibration of stall warning device.

探讨失速警告器的选位安装与校准问题。

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The locating, installation and calibration of stall warning device are all determined by the experiment in flight test.

失速警告器的选位安装与校准均由试飞实验确定。

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