Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /depth_time[283];
    Float64 /latitude[103];
    Float64 /latitude_time[103];
    Float64 /longitude[127];
    Float32 /depth[283];
    Float64 /longitude_time[127];
} cell-Normal.nc4;