请问下面程序运行后显示的结果是什么?
program AA[WM1,WM2]
  element_array MEMO[100]
  vector vv
  element ee
! 已知memo[1]为一线级或面级元素
  refsys 1
  vv=memo[1]  
  dy(vv|x,"  ",vv|y,"  ",vv|z)
  ee=memo[1]
  dy(ee|cx,"  ",ee|cy,"  ",ee|cz)
  getdir(memo[1],vv)
  dy(vv|x,"  ",vv|y,"  ",vv|z)
endstat 
end_program