成员的完整列表，这些成员属于 CThostFtdcMMInstrumentCommissionRateField,包括所有继承而来的类成员

BrokerID	CThostFtdcMMInstrumentCommissionRateField
CloseRatioByMoney	CThostFtdcMMInstrumentCommissionRateField
CloseRatioByVolume	CThostFtdcMMInstrumentCommissionRateField
CloseTodayRatioByMoney	CThostFtdcMMInstrumentCommissionRateField
CloseTodayRatioByVolume	CThostFtdcMMInstrumentCommissionRateField
InstrumentID	CThostFtdcMMInstrumentCommissionRateField
InvestorID	CThostFtdcMMInstrumentCommissionRateField
InvestorRange	CThostFtdcMMInstrumentCommissionRateField
OpenRatioByMoney	CThostFtdcMMInstrumentCommissionRateField
OpenRatioByVolume	CThostFtdcMMInstrumentCommissionRateField