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占空因数
avia.	on-off ratio
el.	fill capacity factor
IT	duty factor
met.	space factor
space	fill factor; duty cycle
telecom.	duty ratio
脉冲占空因数
mil., air.def.	duty factor; duty ratio
电子学占空因数
auto.	progressive duty cyclefactor
占空因数〔系数〕
el.	duty factor; duty ratio
脉冲占空因系数
auto.	duty factor
占空因数等于脉冲时间乘脉冲重复频率
el.	duty cycle

占空因数: 13 phrases in 6 subjects

Audio electronics	1
Automobiles	3
Electronics	4
Space	2
Technology	1
Telecommunications	2