DNA hybridization techniques have been widely used in aves,based on which a new avian classification system was born.
DNA杂交技术曾在鸟类中有过大规模的应用,并由此诞生了一套新的鸟类分类系统。
参考来源 - DNA在鸟类分子系统发育研究中的应用·2,447,543篇论文数据,部分数据来源于NoteExpress
N-PLURAL the class of vertebrates comprising the birds 鸟纲; 脊椎动物亚门的一纲 →see bird
It is well known that modern aves lack dentition unlike their toothed ancestors of the Jurassic and cretaceous periods.
众所周知现代鸟类不长牙齿,而其侏罗纪和白垩纪的祖先则长有牙齿。
DNA hybridization techniques have been widely used in aves, based on which a new avian classification system was born.
DNA杂交技术曾在鸟类中有过大规模的应用,并由此诞生了一套新的鸟类分类系统。
But small businesses would prefer to be taxed only on profits, not on premises or staff, since "at least it's money you've made," says Andrew Aves, the FSB's organiser for Kent and Medway.
但是,小企业更愿意只对利润征税,而不对营业处所或工作人员征税,因为“至少它是你已经挣得的钱”,肯特州和梅德韦的小企业联合会组织者安德鲁说。
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