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.
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。
These five acceess gates will be the starting point for the five major roads that will lead to the the center of the structure where a 250 square meters skyscraper will stand high.
五个通道入口分别连接通向该结构中心的五条主路,占地250平方米的摩天大楼就屹立在那里。
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