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1·Simon Griffith of Macquarie University in Sydney, Australia, and his colleagues monitored the birds as they either chose their mates or were placed in a mating pair.

澳洲悉尼的Macquarie大学的Simon Griffith和他同事通过观察鸟类选择伴侣或者使它们结成一对得出上述结论。

2·One pair of jaguars even shows some very rarely seen mating behavior, so the smell seems to turn these animals on.

一对美洲虎在闻到这种气味后，甚至表现出罕见的求偶行为，可见如此气息彻底激活了这些动物。

3·The spider also USES its third pair of legs in the mating display, raising them to show a brush of black hairs and white tips.

这蜘蛛还会在求偶大会中使用第三对后肢，像秀黑发梳、白色梳齿一样升高。

4·The paper researches the spectrum characteristics of dynamic response of the gear pair with the error excitation in the long and short period based on dynamic mating model of the gear pair.

基于齿轮副的动态啮合模型，对具有误差激励的齿轮副按长、短周期从理论上研究了其动态响应特征。