在XSD内部做出与选择类似的序列，即“违反'独特粒子归因'”例外

Below xsd are working fine

xsd以下工作正常

<xs:complexType name="header">
        <xs:sequence>
            <xs:element name="leftAlignedColumns" type="listOfColumns" minOccurs="0" maxOccurs="1" />
            <xs:element name="rightAlignedColumns" type="listOfColumns" minOccurs="0" maxOccurs="1" />
        </xs:sequence>
    </xs:complexType>
<xs:co