Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /depth_time[300];
    Float64 /latitude[213];
    Float64 /latitude_time[213];
    Float64 /longitude[269];
    Float32 /depth[300];
    Float64 /longitude_time[269];
} cell-Normal.nc4;