12

(19461949)

?

(1945.8)19466

(19466),?.,,,,???

430130100,31,

19487 280 365 ,? ,?

97% 194891948115247280310365290

194811619491106655.6

1948112919491316452

1948.9

1948.111948.11

47.55. 52

154

19466

1949423???

:

( ) A. B. C.D.( ) A.1937719458B.1945819499 C.1946819501 D.1946819499 BD

( ) A B C D( ) A. B. C. D.DB

Powerpoint