其次，研究了从二维信息中进行深度估算。
Secondly, how depth is estimated from the 2-d information was researched.
介绍了长江河道信息服务系统二维信息查询模块的主要功能与特点。
Main functions and characteristics of the 2-d information inquiry module of the Yangtze River Channel information Service System are presented in this paper.
方法对一维信息数据和二维信息数据表征的中药指纹图谱进行聚类分析，并对分析结果进行比较。
Methods Hierarchical cluster was applied to fingerprints described by one-dimension information data and by two-dimension information data respectively and corresponding results was compared.
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