:
1.
I=N*Q/S, I , Q , N , S
2.
:
-
-
-
- -
-
:
+
-
:
1.
2.
3.
:
+
-
min max
:
1.
2.
:
1. , , Z=<
2. , ,
:
-
-
-
:
1.
2.
3.
abc xyz
abc 3 :
- (. )
3 :
) ,
) ,
) ,
:
4. 1 4.3 | |
4. 1 4.2 | |
4. 2 4.4 |
.
|
|
XYZ :
,
Y (, )
Z ()
XYZ 9 , 2 :
-
-
X | Y | Z | |
A | AX | AY | AZ |
B | BX | BY | BZ |
C | CX | CY | CZ |
AX (4.1)
AY (4.2)
AZ (4.1 4.2)
BX (4.1 4.2)
BY (4.2)
BZ (4.3 4.4)
CX (4.3 4.4)
CY (4.3 4.4)
CZ (4.3 4.4)