Julia is the associate news editor for Health, where she edits and publishes news articles on trending health and wellness topics. Her work has been featured in The Heights, an independent student ...
将file_name的csv文件中的船舶轨迹数据载入进轨迹数据类的trajectory变量中。 船舶轨迹数据点结构为：Δtime, Δlng, Δlat, sog, cog ...
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