Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /depth_time[20629];
    Float64 /latitude[1175];
    Float64 /latitude_time[1175];
    Float64 /longitude[1455];
    Float32 /depth[20629];
    Float64 /longitude_time[1455];
} cell-Normal.nc4;