Page 17 - 竹百科
P. 17
(1990) 6
(1974) 3~4
2.
3.
120-140%
135% ~ 91% ~ 82%
~ 77% ~
75 ~ 100% 55~65% 45~50% 1
( 1990 )
1 ( 1990 )
47.4 42.8 38.8
69.7 55.0 41.0
66.6 45.9 42.2
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