本文介绍一种组合式方形铅屏蔽室的新设计，用作同轴型高纯锗探测器的屏蔽室。
A new square lead shield room has been introduced in this article. It is used as the shield room of coaxial high-purity germanium detector.
分析了点型探测器“保护半径”与“保护面积”的内在关系，得出了以尽量趋于正方形设置为善的结论，并将按“面积”设置纳入受保护半径的制约；
The paper analyzes the internal relations between "protected radius" and "protected area", and comes to the conclusion of installing the detector in square;
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