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  <xs:element id="sda_ItemsInTheStatementsOfOperationsAndComprehensiveLossAndStatementsOfCashFlowsMember" name="ItemsInTheStatementsOfOperationsAndComprehensiveLossAndStatementsOfCashFlowsMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="sda_OfficeEquipmentAndFurnitureMember" name="OfficeEquipmentAndFurnitureMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="sda_HuaxiaBankCoLtdShanghaiBranchMember" name="HuaxiaBankCoLtdShanghaiBranchMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="sda_TradingDays" name="TradingDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="sda_GrossProceedsRate" name="GrossProceedsRate" type="dtr:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
</xs:schema>
