动物生境 zootope
- 目前,GIS技术已被广泛应用在野生动物生境研究中。
At present, GIS has been widely applied to the study of wildlife habitat. - 很多动物学家认为,这是因为,在几乎没有任何现存竞争物种的情况下,有太多的生态小生境可供生存。
Many zoologists believe that it was because so many ecological niches were available with virtually no competition from existing species. - 显然,这种逆转录病毒基因填补了哺乳动物生物学的一个小生境,但是从另一方面来说,在第一次感染此类病毒以前,哺乳动物已经能够完美的生殖了。
Clearly, this retroviral gene fills an important niche in mammalian biology, but, on the other hand, mammals were able to reproduce perfectly well before they were first infected.
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