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
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