工学 多能互补发电系统 释 energy efficiency 能源利用率 能源中能量被有效利用的程度。系按热力学第一定律对过程（系统或设备）能量利用程度的度量。又称一次能源利用率。
计算机硬件 计算机维护 释文 power utility efficiency 能源利用率
- Duck Hunting
- duck husbandry in biological fermentation bed
- duck husbandry in raised wire-floor
- duck-pearly mussel farming system
- duck plague
- duck plague virus，DPV
- duck-shaped bronze vessel
- duck tembusu virus, DTMUV
- duck virus hepatitis
- duckweed
- ducon
- duct
- DUCTAC
- ducted fan
- ducter
- duct fiber cable
- ductile
- ductile-brittle transition
- ductile-brittle transition temperature
- ductile deformation
- ductile fracture
- ductile regime grinding
- ductile shear zone
- ductilimeter
- ductilimetry