普通数据的聚类分析方法已经比较成熟了，但是很少人问津方向数据的聚类分析。
The methodology of the cluster analysis of ordinary data has been well developed, but few people know the cluster analysis of directional data.
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。
Cluster analysis of directional data is important to temporal clustering analysis of disease and stratification of season.
该罗盘模拟器是一个精密的同步发射机，提供模拟的方向数据给各种设备，这些设备在显示前的信号处理中需要该信息。
The Compass Simulator is a precision synchro transmitter providing simulated heading data to the various equipment requiring this information in the processing of singles prior to display.
应用推荐