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

BankBranchID	CThostFtdcReqSyncKeyField
BankID	CThostFtdcReqSyncKeyField
BankSerial	CThostFtdcReqSyncKeyField
BrokerBranchID	CThostFtdcReqSyncKeyField
BrokerID	CThostFtdcReqSyncKeyField
BrokerIDByBank	CThostFtdcReqSyncKeyField
DeviceID	CThostFtdcReqSyncKeyField
InstallID	CThostFtdcReqSyncKeyField
LastFragment	CThostFtdcReqSyncKeyField
Message	CThostFtdcReqSyncKeyField
OperNo	CThostFtdcReqSyncKeyField
PlateSerial	CThostFtdcReqSyncKeyField
RequestID	CThostFtdcReqSyncKeyField
SessionID	CThostFtdcReqSyncKeyField
TID	CThostFtdcReqSyncKeyField
TradeCode	CThostFtdcReqSyncKeyField
TradeDate	CThostFtdcReqSyncKeyField
TradeTime	CThostFtdcReqSyncKeyField
TradingDay	CThostFtdcReqSyncKeyField
UserID	CThostFtdcReqSyncKeyField