Cluster analysis of directional data is important to temporal clustering analysis of disease and stratification of season.
方向数据的聚类分析法对与疾病的时间聚集性进行分析、季节分层分类等有极其重要的意义。
EPP is an answer to the problem of high speed, bi directional data communication between PC and data collection and conditioning system.
增强型并行口接口协议解决了PC与数据采集系统间的高速双向数据通信问题。
According to the SQL Standard, the method to evaluate hierarchical or bi-directional data is the Recursive Common Table Expression (RCTE).
根据SQL标准，评估分层或双向数据的方法为递归通用表表达式(RCTE)。
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