Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /depth_time[83];
    Float64 /latitude[34];
    Float64 /latitude_time[34];
    Float64 /longitude[39];
    Float32 /depth[83];
    Float64 /longitude_time[39];
} cell-Normal.nc4;