Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[33];
    Float64 /longitude[31];
    Float64 /longitude_time[31];
    Float64 /latitude[33];
    Float32 /depth[87];
    Float64 /depth_time[87];
} cell-Normal.nc4;