Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[311];
    Float64 /longitude[369];
    Float64 /longitude_time[369];
    Float64 /latitude[311];
    Float32 /depth[693];
    Float64 /depth_time[693];
} cell-Normal.nc4;