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About 15 species: worldwide in the tropics; one species in China.

大约15种：在热带全世界；中国有1种。

Any increase or decrease in the population of one species may affect all other species on the tundra.

任何一个物种在数量上的增加或减少都会影响到冻土带上所有的其他物种。

But many intermediate species and many of their members, showing an unmistakable transformation of one species into another.

但许多中间物种和它们的许多成员，呈现出鲜明的转型，一个物种变成另一个。

Now vivisection can only be defended by showing it to be right that one species should suffer in order that another species should be happier.

惟一能够为活体解剖辩护的，就是证明为了一个物种能够幸福些，另一物种受苦是对的。

Molecular methods of sex identification were studied by amplifying sex gene sequences in five species of ardeidae and one species of threskiornithidae in ciconiiformes birds.

本文以鹳形目5种鹭科鸟类和1种鹮科鸟类的组织为实验材料，采用PCR方法扩增其性别基因相关片段，探讨鹭科鸟类性别的分子鉴定方法。

Three species: circumboreal, from Europe to NE Asia, N North America, also in the high mountains of Myanmar; one species in China.

种： 盆地周围，从欧洲到亚洲东北，北美洲北部，也在缅甸的高山中；在中国的一种。

Of the twenty-one species of Cypriniformes,there were twelve species belonging to Cobitidae,Homa...

在鲤形目鱼类中，鳅科、平鳍鳅科、爬鳅科共12种，占鲤形目鱼类的57.1%。

Pollen morphology and exine ultrastructure Pollen exine ultrastructure of five species in Stachyurus and one species of its sister group, Crossosoma californicum, were investigated under transmission electron microcopy for the first time. The pollen morphology of Crossosoma californicum was studied under Scanning Electron Microcopy.

花粉形态学和外壁超微结构在透射电镜下研究了旌节花属5个代表种和1个外类群的花粉外壁超微结构，并在扫描电镜下研究了外类群Crossosomataceae 1个代表种的花粉形态学特征，结合前人的研究，探讨了上述性状的分类学意义。

It comprises two species,Dianulites hexaporites,Orbiramus grandis sp.nov.of trepostome esthonioporines,and one species,Prophyllodictya putilovensis Lavrentjeva of cryptostome ptilodictyines.

这个苔藓动物群由变口目爱沙尼亚苔虫亚目的两个种：Dianulites hexaporites，Orbiramus grandissp.nov。和隐口目翼网苔虫亚目的一个种：Prophyllodi-ctya putilovensisLavrentjeva组成。

Five genera and eight species: pantropical, but mostly in Australia; one species in China.

属，8 种：泛热带分布，但是主要分布于澳大利亚；中国有1种。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。