“TN system”的概念、定义、翻译、参考文献-科学参考

单词	TN system
释义	TN system Encyclopedia 工学电气安全释 TN systemTN系统电源系统有一点直接接地，电气设备的外露导电部分通过保护导体连接到此接地点的系统。
随便看	principal series representations principal set principal sheet principal solution principal space principal spectrum principal sphere principal sphere of curvature principal square root principals' research leadership principal state model principal state of polarization principal's teaching leadership principal strain principal subgroup principal subgroup series principal submatrix principal submodule principal subspace principal surface principal symbol principal symbol sequence principal system principal tangent principal tangent bundle

科学参考收录了854744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。