X̃z[QP

TP
Vˉw
`
w

(PS)

TR
Vˉw

X̃z[QP

(PS)


Vˉw
`eX[ˁ`
w

(PS`)

W
w
`
cnz

(PQ)

X
w

oXē

(PQ)

Xo
w


(PQ)