http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
efficiency <pl efficiencies> [美 əˈfɪʃənsi, 英 ɪˈfɪʃ(ə)nsi] 名词
1.1. efficiency U (of person, system):
1.2. efficiency U:
2. efficiency C 美:
energy [美 ˈɛnərdʒi, 英 ˈɛnədʒi] 名词 U
1.1. energy (vitality):
1.2. energy (power, effort):
在《PONS词典》中的词汇
energy efficiency 名词 无复数
在《PONS词典》中的词汇
efficiency [ɪˈfɪʃnsi] 名词 无复数
1. efficiency:
- efficiency of a person
-
- efficiency of a method
- eficacia f
2. efficiency of a machine:
在《PONS词典》中的词汇
efficiency [ɪ·ˈfɪʃ·ən·si] 名词
1. efficiency:
- efficiency of a person
-
- efficiency of a method
- eficacia f
2. efficiency of a machine:
无例句可用
请尝试其他条目。
单语范例（未经PONS编辑处理）
This will allow for vertical take-off and landing capabilities, hovering on the spot, and more energy-efficient operation than traditional propellor-based systems.
www.gizmag.com If more than one quantum mechanical state is at the same energy, the energy levels are degenerate.
en.wikipedia.org Words and deeds are quite indifferent modes of the divine energy.
en.wikipedia.org In the absence of any energy source, all of these formerly luminous bodies will cool and become faint.
en.wikipedia.org It now focuses on home and business energy and utility bill auditing.
en.wikipedia.org