Meanwhile, database support online data query with part of the standard in database, login by mobile dynamic password, online full text reading, full-text search and other functions.
同时，数据库还支持部分标准的在线数据查询，手机动态密码登陆，在线全文阅读、全文搜索等多种功能。
R-tree is a dynamic index tree of space search. Its structure use multi-dimensional region to express spatial data object. R-tree is a valid way to visit rectangle.
树是空间搜索的动态索引树，它的结构是利用多个维中的区间来表示空间数据对象，它是矩形访问的一种有效方法。
At the same time, recoverable dynamic binary search algorithm can narrow the scope of the search tag, thus greatly reducing communication time and data between reader and tags.
返回式二进制搜索算法可以缩小标签搜索范围，从而大大减少阅读器与标签之间的通信时间和传输的数据量。
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