The paper elaborately introduces the working principle and characteristic of the radar fluid-level meter, the composition of the survey system, type selection requirement and installed essentials etc.
本文详尽地介绍了雷达液位计的工作原理及特性，测量系统的组成，选型要求和安装要点等。
Therefore, this paper probes into the innocent purchases of both the ownership of free estate and the chattels mortage from the composition of the essentials.
本文着重从要件构成方面详细阐述了动产所有权的善意取得和动产质权的善意取得。
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