工学 用电安全技术 释 protective earthing 保护接地 将电气设备的某些部分用导线（接地线）与埋设在土壤中或水中的金属导体（接地体）相连接的做法。又称安全接地。
计算机硬件 计算机工程设计 释文 protective earthing 保护接地
- The Ordinary World
- theorem
- theorema egregium
- theorema egregium; remarkable theorem
- theorem of alternative
- theorem of angular momentum
- theorem of approximation
- theorem of arithmetic progression
- theorem of butterfly
- theorem of choice
- theorem of complementary slackness
- theorem of completeness
- theorem of cosines
- theorem of decomposition
- theorem of dependence
- theorem of derivative
- theorem of division algorithm
- theorem of double ratio
- theorem of double series
- theorem of equipartition of energy
- theorem of Euler
- theorem of Fatou type
- theorem of fine limits
- theorem of finite covering
- theorem of fluctuation dissipation