Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[345];
    Float64 /longitude[356];
    Float64 /longitude_time[356];
    Float64 /latitude[345];
    Float32 /depth[243];
    Float64 /depth_time[243];
} cell-Normal.nc4;