circuit and equipment operating ratio
degree of operating leverage
DOL Degree of Operating Leverage
external operating ratio
Indoor-units operating ratio
internal operating ratio
operating ratio
有效工作系数
运行率
操作比
作业比
利用系数
作业延迟
营运比率
营业比率
operating in all weathers operating
present operating cost and annual operating cost
axial compression ratio and slenderness ratio
B-C ratio (benefit-cost ratio)
benefit-cost ratio (B-C ratio)
focal ratio (=focal-length ratio)
grinding ratio(G-ratio)
maximum ratio combing according to signal to noise ratio
recirculation ratio recycle ratio