Its structure and operational principle are introduced in detail.
详细介绍了系统的构成和工作原理。
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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