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涓瀹跺己澶х殑鐢熺墿鎶鏈叕鍙告嫢鏈夌獊鐮存х殑鎶鏈紝浣夸粬浠兘澶熺敤鍑犳DNA鍏嬮殕鍘嗗彶涓婃渶鏈夊奖鍝嶅姏鐨勪汉銆傝繖瀹跺叕鍙歌儗鍚庢槸涓涓拻鏃︿富涔夎呴槾璋嬮泦鍥紝浠栦滑鍋疯蛋浜嗗熀鐫g殑瑁瑰案甯冿紝璁╀粬浠嫢鏈夎剁ǎ鐨凞NA銆傚厠闅嗕汉灏嗘垚涓洪瓟楝肩殑缁堟瀬绁搧銆傚ぇ澶╀娇杩堝厠灏旀潵鍒板湴鐞冿紝灏嗕笉鎯滀竴鍒囦唬浠风粨鏉熼瓟楝肩殑闃磋皨銆