“地下查勘”的概念、定义、翻译、参考文献-科学参考

单词	地下查勘
释义	地下查勘 subsurface exploration
随便看	switching pulse switching pulse generator switching push-button switching rate switching reactor switching regulator switching relay switching rod switching schedule switching section switching selector repeater switching sequence detector switching signal switching speed switching starter switching surface switching surge switching surge test switching system switching theory switching time switching time constant switching time of bipolar transistor switching torque (电动机的) switching transient

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。