1. But, there were extremely low efficiency of integration, unstable hereditation and expression in transgenic animals by the technique.
   但是，这种方法存在基因整合效率低、外源基因不能在转基因动物体内稳定遗传及表达的问题。
2. In this paper are elaborated the methods of induced obesity by hereditation ,hypothalamic lesions and dietary in experimental animals,and the concerned physiological characteristics.
   阐述了遗传性、下丘脑性及饮食诱导性肥胖动物模型的造型方法及有关的生理代谢特点.

声明：以上例句、词性分类均由互联网资源自动生成，未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。