“边疆区”概念、定义、翻译-科学时代

单词	边疆区
释义	地理学词汇手册边疆区 frontier region
随便看	switching switching algebra switching centre switching centre switching circuit switching cost switching cost switching cost switching cost switching device switching error switching field distribution switching hub switching impulse level (SIL) switching impulse test switching in switching kilometres switching noise switching off switching on switching operation switching out switching over switching overvoltage switching overvoltage

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。