Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[419];
    Float64 /longitude[433];
    Float64 /longitude_time[433];
    Float64 /latitude[419];
    Float32 /depth[5549];
    Float64 /depth_time[5549];
} cell-Normal.nc4;