HQU
Htw
`͉w`
w

HQU(x)
Htw
`͉w`
w

HQUܕ
Htw
͉w

()

тPP|P
юw
`XwEV{`
znw

(MZk)

тPP|Q
Tˉw
`XwEV{`
znw

(MZk)