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1
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ase
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.
Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
A
P
E
I
SS
N:
2252
-
8792
Desig
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it
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ter
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
-
8792
IJ
A
P
E
Vo
l.
5
,
No
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2
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r
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e
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Fig
u
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4
.
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l in
v
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ter
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o
r
s
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n
g
le
p
h
as
e
leg
.
Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
A
P
E
I
SS
N:
2252
-
8792
Desig
n
a
n
d
I
m
p
leme
n
ta
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