The devices can be used for friendly unit identification, maneuvers element control, fire support control, target marking and location reports.

这个装置操作简单可以被用作单元鉴定，演习元素控制，火力支援控制，目标识别和定位报告。

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Zeng S Q. Based on intelligent fusion algorithm of hydropower unit identification and control strategy research[D]. Wuhan:Hubei University of Technology, 2013.

曾仕琦。基于智能融合算法的水电机组辨识与控制策略研究[D]。武汉：湖北工业大学，2013。

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In physics it is an identification of material by noting its mass per unit volume.

在物理学上，是以每单位体积的质量来鉴别物质。

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That same year, a man named Menachem Lieberman had approached Ranta's trial lawyer to tell him he "had uncertainty and discomfort" with his identification of Ranta, and later gave the unit a sworn statement recounting the "big nose" episode.

WSJ: Freedom near for man convicted of killing NY rabbi

That same year, a man named Menachem Lieberman had approached Ranta's trial lawyer to tell him he "had uncertainty and discomfort" with his identification of Ranta, and later gave the unit a sworn statement recounting how a detective had told him to "pick the one with the big nose" Ranta out of a police lineup.

WSJ: Questions linger in 1990 murder of rabbi in NYC