. dan bai zhi shun xu fen xi ji shu. botany. 1500O 10000 5000 1955 I960 1965 1970 1975 ('å¹´> å¾1-2 1955â1976å¹´æµå®çæ°çèç½è´¨ï¼å¤§äº50 æ®åºï¼é¡ºåºæ° 1955 1960 1965 1970 1975 (å¹´ï¼ å¾1-3 1!>55 â I9?6å¹´æµå®çèç½è´¨é¡ºåºæ® åºæ° 表1-1 è¿å»ä¸åå¹´ä¸-â¢ã!å®ä¸æ¡SO个æ®åºè½æéçæ ·åéåæ¶é´ å¹´ 份 éæ ·åé è±è´¹åé´ 1950 lOflg 10å¹´ 1960 lOg 3å¹´ 1970 Ig 1å¹´ 1980 Inig 1å¨ è¡¨1-2è¿å»ä¸+å¹´ä¸-èç½è´¨åºæµå®çè¿ç¨ 年份 被æµå®çèç½è´¨é¡ºåº æ®åºæ° 1955 姨å²ç´ 51 1961 è¡çº¢èç½ç/3é¾ 145 1962 è¡çº¢èç½çãé¾ 141 1962 ç»èè²ç´ C 105 1963 æ ¸æ£æ ¸é ¸æµ· 124 1963 溶èH 129 1965 è红èç½ 153 196 5 ç æ¯å¤å£³èç½ 159


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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectbotany