用来反映公司控制其可变成本的能力，指会计帐期内当期营运利润占当期销售总额的比率，通常以百分比表示。
The ratio which is used to indicate a company's ability to control its variable costs refers to the ratio of operating profit to turnover in a given accounting period. It is expressed as a percentage.
用来反映公司控制其可变成本的能力，指会计帐期内当期营运利润占当期销售总额的比率，通常以百分比表示。
The ratio which is used to indicate a company's ability to control its variable costs refers to the ratio of operating profit to turnover in a given accounting period. It is expressed as a percentage.
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