12
Times New Roman
AA
RNA
DNA
α
β
L
D
R
P
A
R
P
A
α
β
L
D
1.
。
2.
:
cm
mm
pt
px
%
cm
cm
cm
cm
cm
cm
mm
pt
px
cm
cm
cm
cm
mm
pt
px
cm
cm
cm
Arial
Times New Roman
Helvetica
Georgia
Verdana
Courier New
8
9
10
11
12
14
16
18
20
24
Arial
Times New Roman
Helvetica
Georgia
Verdana
Courier New
7
8
9
10
11
12
14
16
18
20
24
Arial
Times New Roman
Helvetica
Georgia
Verdana
Courier New
7
8
9
10
11
12
14
16
18
20
24