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
- decomposition algorithm
- Decompositional Semantics
- decomposition-discontinuity method
- decomposition efficiency
- decomposition expansion
- decomposition field
- decomposition formula
- decomposition group
- decomposition homomorphism
- decomposition into a direct sum
- decomposition into components
- decomposition into factors
- decomposition into left cosets
- decomposition into right cosets
- decomposition method
- decomposition numbers
- decomposition of a fraction
- decomposition of a group
- decomposition of a measure
- decomposition of ammonia
- decomposition of a space
- decomposition of a system
- decomposition of controllability
- decomposition of force
- decomposition of large scale system