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十值层
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十值层
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十值层
释
tenth-value layer
十值层
将给定辐射场的强度减弱到其初始值的十分之一所需要的屏蔽材料的厚度。又称十分之一值层。
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Western Xia records in the collection of the Institute of Oriental Manuscripts of the Russian Academy of Sciences (IOM RAS)
Western Xia salt and wine monopoly
Western Xia warehouse
Western Xia (Tangut)Twill Silk with I-shaped Pattern
Western Yan
Western Yugur language
Western Zhou Dynasty
Western Zhou oracle bone inscriptions
Western印迹法
West Europe
West Ford
We-st Friese Eilanden
West Frisian Islands
west garden
West-Guangdong Subgroup of Hakka Dialects
West Hall of Longmen Temple of Pingshun County
Westheimer method
West High Mountain Temple
West Imperial Park of Sui Dynasty
West-Indian Ocean Ridge
West Indies
West Kalimantan
West Lake
West Lake Culture Landscape of Hangzhou World Culture Heritage
west lake famous gardens in Southern Song Dynasty
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