efficiency; work efficiency
Most common use. Often refers to how efficiently work, study, production, or a procedure gets done, especially in phrases like 能率が上がる, 能率が落ちる, and 能率を高める.
Since we changed to this procedure, work efficiency has improved.
If you do not take breaks, your efficiency actually drops.
Specialized physics sense corresponding to 'moment'. In ordinary modern usage, 能率 will usually be understood as 'efficiency', so context is essential.
See also: モーメント
As a physics term, this material uses 能率 in the sense of moment.
Efficiency improved after we introduced the new machine.
Lack of sleep made my work efficiency drop.
This method increases work efficiency.
I think this way of doing it is inefficient.
labor efficiency