The number of bird species on islands today is almost exactly the same as it was prior to human colonization, but the species of birds on the islands are very different.
岛上今天鸟种类的数量几乎和人类定居之前完全一样，但是岛上鸟的种类则非常不同。
Anatomists in the mid-1800s were fascinated by the underlying similarities of traits in different species - the fact that a bat's wing, for example, has all the same parts as a human hand.
十八世纪中叶的解剖学家们为不同物种之间潜在的相同特质所着迷。比如蝙蝠的翅膀就具有人类手掌的所有组成部分。
However, the current limits are based on human use and limits for different species of animals probably would need to be different.
然而，目前通则中的限度是基于人类使用而设定的，不同种类动物的限度会有所不同。
Put in a different way, the energy the sun emits in one second is greater than the whole amount of energy that the human species has consumed throughout its history!
换一个角度去讲，一秒钟太阳所披收回去的能量皆要逾越人类种族正在其局部历史中所耗益能量的总战。
However, the current limits are based on human use and limits for different species of animals probably would need to be different.
但是，现行限度是基于人用的，对不同的动物其限度可能会有差异。
COX-3, a new member of the COX family, has various structure, distribution and activity in different species such as dog, human, rat and mouse.
环氧合酶- 3是环氧合酶家族新发现的成员，在犬、人、大鼠及小鼠中的结构、分布和活性不尽相同。
By comparing a portion of DNA structure across 36 different species, the team estimates that 12% of the human genome is conserved - twice the estimate based on sequence conservation.
通过对36个不同的物种的部分DNA结构进行比较，研究小组统计出约有12%的人类基因组是保守的——这是基于序列保守所统计出的数字的两倍。
By comparing a portion of DNA structure across 36 different species, the team estimates that 12% of the human genome is conserved - twice the estimate based on sequence conservation.
通过对36个不同的物种的部分DNA结构进行比较，研究小组统计出约有12%的人类基因组是保守的——这是基于序列保守所统计出的数字的两倍。
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