2. ( )
*
W
B
2oWW o
r
c
=

4. ( )( , ) ( )H t x H k G t xk( , ), ( )o xGH kH koH k

5. ( , ) ( ) ( ) ( ) ( )H t x H k G t xk G t yk G t zk 3o x y z= + + +

7. ( )
S
s M
CBF
CBF
CMRO
CMRO
41
20
2
o o
D = -
a b b-
c em o> H