“annular focus”概念、定义、翻译-科学时代

单词	annular focus
释义	机械工程词汇手册 annular focus 环形焦点
随便看	underground layer underground leaching underground leveling underground line underground line underground method underground mine underground mining underground mining underground movement underground music Underground Musicians Association （UGMA） underground nuclear burst cavity underground nuclear burst containment condition underground nuclear burst debris recovery underground nuclear burst depth of subsidence underground nuclear burst evasive activity underground nuclear burst gas breakthrough underground nuclear burst gas sample recovery underground nuclear burst gas sampling system underground nuclear burst ground zero boring underground nuclear burst identification underground nuclear burst line-of-sight underground nuclear burst line-of-sight pipe system underground nuclear burst melt

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

annular focus