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to phrases
aperture efficiency
archit.
开口
孔径
面积效率
el.
开口
孔径
面积
效率
space
孔径效率
tech.
孔径面积率
;
开口面积效率
;
开口比
telecom.
开口效率
aperture efficiency:
7 phrases
in 3 subjects
Air defense
2
Shipbuilding
1
Space
4
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