轻松进入的地方，大主隔间具有普遍性套，并与组织的二次口袋剪辑。
Easily clips into place, large main compartment with universal sleeve, and secondary pocket with organization.
二次信息组织方式有搜索引擎方式、指示数据库方式、菜单方式、主题树方式；
The mode of secondary information organization includes search engine, referral database, menu, etc.
二次信息组织方式有搜索引擎方式、指示数据库方式、菜单方式、主题树方式；
The mode of secondary information organization includes search engine, referral database, menu, etc.
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