. dan bai zhi he mei xue yan jiu fang fa. botany. å ¨ç»çè¸æºï¼ä¹å¯æå¸å®è¸é¦æ°´ï¼å 人ééé«çé ¸é¾åéè¸ï¼é¤å»åæ·åååé¦åãè¸æ°´å¨ å贮水å¨çè¿æ¥é¨åé½ä¸è½ç¨ä¹³è¶ç®¡ææ©¡ç®ç®¡ç-èæ¥ï¼å 为è¿ä¼é æ污æãæ°´è´¨çä¼å£ å¯æµçµå¯¼åæµç»ç´«å¤å ¨æ³¢å¾è°±æ¥å¤å«ï¼ææºæº¶åè´¨éçä¼å£ä¹å¯ä»¥æ ¹æ®ç´«å¤å è°±æ¥å¤æ- (åè§å¾7ã 8)ã. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original lu zi xian. ke xue chu ban she

---

Size: 1513px × 1652px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectbotany