“通断作用”概念、定义、翻译-科学时代

单词	通断作用
释义	动力与电气工程词汇手册通断作用 on-off action
随便看	projectile depth charge projectile fragment projectile-generating charge projectile loom projectile motion projectile motion projectile motion projectile pip projectile problem projectile proper projectile-shaped rocket projecting line projection projection projection projection projection projection projection projection projection projection projection projection projection

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。