1. The backing store is commonly a fast disk . �洢��ͨ����һ�����ٴ��̡�
2. System Files Backup and Restore helps you in backing up system files and restoring them in case of system failure. ϵͳ�ļ��ı��ݺͻָ����������ڱ���ϵͳ�ļ������ָ������ڰ�����ϵͳ���ϡ�
3. This topic explains how to extend the application block by adding your own backing store and your own expiration policies. �����������������չӦ�ó����ͨ���������Լ��ĺ�̨�洢�����Լ�����ֹ���ԡ�
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n.
1. the act of providing approval and support
2. something forming a back that is added for strengthening
3. financial resources provided to make some project possible
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