以九寨沟次生林样地资料为基础,研究了九寨沟自然保护区次生林的物种多样性特征.
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Darwin thinks that natural selection is the chief factor in the development of species.
达尔文认为自然淘汰是物种发展中的主要因素.
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群体提升是让所有物种个体与集体一起提升的先决条件.
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非法捕捞的一些其他形式有用非法设备锁定并捕捞保护物种.
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But naturally, the Origin of Species was seen as a book written against religion.
但是,“物种起源”这本书很自然地被看作是一本反对宗教的书.
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But naturally, the Origin of Species was as a book written against religion.
自然《物种起源》被看作是为了反对宗教而撰写的一本书.
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What is octet rule? In which of the following species is this rule violated?
什么叫八隅律? 下列物种中哪个(些)原子不服从八隅律?
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Here, therefore, it was essential that land should be put under grass and corn cultivated.
因此, 牧草栽培和谷物种植,在这里就成了必要条件.
英汉非文学 - 家庭、私有制和国家的起源
科学家们说, 虽然很古老, 但这一前人类物种的身体已经开始显示出人类的特点.
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Do predators and parasites regulate the population size of their prey?
捕食者和寄生者是否能够调节其猎物种群的大小 呢 ?
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Now a new NZ chapter focuses on predation problems of the species introduced to that country.
现下一新纽西兰章著重于引进到那个国家的物种的捕食问题.
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Objective To use a standard stock for potency testing of HB vaccine in China.
目的在进行乙肝疫苗效力检测时应用统一的动物种群.
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However, pollen insect-pollinated ( entomophilous ) species is also often transported by wind.
然而, 虫媒传粉 ( 虫媒植物 ) 种的花粉也常常由风来输送.
词典精选例句
The Antarctic species have few special adaptations for polar life.
南极的物种对极地生活几乎没有什么特别的适应性改变.
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