单词	经营比率
释义	经营比率 operating ratio
随便看	global performance measure Global Perspective global perspectives on river conservation global perturbation method global pesticide contamination global petrology global phase function Global phase portrait global phase portraits global phenomena global phenomenon global physical geography global PIN global placement global planarizartion Global planarization global planning global plate map GlobalPlatform global platform global player Global Plotting Chart global pluralistic cultural nature global pneumography Global Point Warning