Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[761];
    Float64 /longitude[827];
    Float64 /longitude_time[827];
    Float64 /latitude[761];
    Float32 /depth[5339];
    Float64 /depth_time[5339];
} cell-Normal.nc4;