Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /depth_time[603];
    Float64 /latitude[148];
    Float64 /latitude_time[148];
    Float64 /longitude[168];
    Float32 /depth[603];
    Float64 /longitude_time[168];
} cell-Normal.nc4;