“half-value layer”的概念、定义、翻译、参考文献-科学参考

单词	half-value layer
释义	half-value layer 半价层半衰减层半吸收层半值层
随便看	ramjet propulsion ramjet rocket ramjet speed ramjet stage ramjet sustainer ramjet-turbojet combination ramjet-turbojet power plant ram-jolt ram knife ramless extrusion ram lift rammability rammed rammed 37 lime earth rammed block rammed bottom rammed bottom lining rammed concrete rammed earth rammed ladle rammed lining rammed-soil pile rammel rammell rammelsbergite

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。