目的：尝试提取人体肠道菌群总dna，为研究肠道菌群结构提供依据。
Objective: Extracting total DNA of intestinal tract bacteria from human faeces to investigate intestinal microflora.
目的：用DNA指纹图谱技术分析中长跑运动员肠道菌群区系结构的特征。
Objective: To analyze the bacterial community structural (BCS) dynamics in intestinal tract of long and middle distance runners by DNA fingerprinting.
目的分析胆管结扎对SD大鼠肠道双歧杆菌菌群结构组成的影响。
Objective To analyze the influence of bile duct ligation on the structure and composition of gut Bifidobacteria in SD rats.
摘要动物肠道共生着数量庞大、结构复杂的菌群，而肠壁内存在着为数众多、功能强大的黏膜淋巴细胞。
Abstract: there exists a huge amount of flora with complex structures in the animals' intestine; also, there are many powerful mucosal lymphocytes within the intestinal wall.
摘要动物肠道共生着数量庞大、结构复杂的菌群，而肠壁内存在着为数众多、功能强大的黏膜淋巴细胞。
Abstract: there exists a huge amount of flora with complex structures in the animals' intestine; also, there are many powerful mucosal lymphocytes within the intestinal wall.
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