A check of the operational characteristics of the aircraft on the ground.
飞机在地面的操纵特性的检查。
In this paper, SED of operational principle and structure characteristics is deeply studied.
本文根据SED的工作原理和结构特点，对其进行了深入研究。
In this paper, SED of operational principle and structure characteristics is deeply studied.
本文根据SED的工作原理和结构特点，对其进行了深入研究。
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