evolution is changing over many years 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 进化改变多年来
Evolution is a process of gradual change that takes place over many generations, during which species of animals, plants, or insects slowly change some of their physical characteristics. e.g. ...the evolution of plants and animals. 动植物的进化 ...
is changing over time and, as we will show below, its analysis by the methods of network science27,28is able to reveal essential properties of how knowledge is exchanged among fields and over different time periods. We have found that, overall, knowledge flows have become increasingly homogeneou...
"China's rapid economic growth is closely related to the gaokao system," Liu said. The gaokao system has been continuously adjusted in line with changing realities over the past 40-plus years. Independent enrollment, which enables colleges to enroll students of their choice, and making the proce...
What is surprising about this evolution should lead to further understanding of how result is that the same locus is responsible for multiple organ size is determined. cases of wing-size evolution within the relatively short We found that a combination of broad seta number divergence time of the...
Change in the genetic makeup of a population over time is evolution. 种群在长期基因组成的变化称为进化,这句话点名了进化的基本单位是种群(population)。基因组成这个概念很笼统,在这里我们先理解为等位基因频率,也就是说在种群进化(microevolution)的驱动力是等位基因频率(或基因频率)的变化。什么是等位基因频率...
Generalist and specialist species display similar responses when changing their diets to novel hosts. Larvae preferred and performed better in the original than in the novel hosts. Adults usually displayed the opposite pattern, i.e. higher preference for and longevity on the exotic than on the ...
Over a long period of time the history of technology inevitably highlights the moments of innovation that show this cumulative quality as some societies advance, stage by stage, from comparatively primitive to more sophisticated techniques. But although this development has occurred and is still going...
(298.9 million to 251.9 million years ago). The Permian climate became increasing arid, and this change seemed to favour the amniotes, which became progressively more abundant anddiverseduring this era. As a result of these changing climatic conditions, the ancient amphibian groups largely ...
A sewing machine having a device for manually changing a feed dog (), including the feed dog () and a feed-dog holder (). The feed-dog holder () is disposed in an arm bed () that is associated with the sewing machine, and the feed dog ()... A Capt,S Brunner,G Schlaich,......