Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /depth_time[705];
    Float64 /latitude[186];
    Float64 /latitude_time[186];
    Float64 /longitude[218];
    Float32 /depth[705];
    Float64 /longitude_time[218];
} cell-Normal.nc4;