Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[247];
    Float64 /longitude[281];
    Float64 /longitude_time[281];
    Float64 /latitude[247];
    Float32 /depth[1458];
    Float64 /depth_time[1458];
} cell-Normal.nc4;