Future research should look at the behavior and ecology of these worms to understand what caused the emergence of new species.

未来的研究应该看看这些蠕虫的行为与生态学，以了解新物种的出现是由什么造成的。

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Apart from engendering widespread ecological disorders, pesticides have contributed to the emergence of a new breed of chemical-resistant, highly lethal superbugs.

除了造成广泛的生态失调外，农药还促成了一种新型的具有抗化学性的、高度致命的超级细菌的出现。

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Similarly, some male authors, disgruntled by the emergence of great numbers of women writers, expressed contempt for the genre.

类似地，一些男性作家对大量女性作家的出现感到不满，对这一流派表示蔑视。

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But SWAPO has been challenged by the emergence of a new party, the Rally for Democracy and Progress.

VOA: standard.2009.11.28

And his discoveries that-- they did them in different ways at different ages led to the emergence of the Stage Theory.

他发现,儿童在不同的年龄拥有不同的行为方式,他根据这一发现提出了阶段理论

耶鲁公开课 - 心理学导论课程节选

Freedom was threatened in early modern times by the emergence of monarchies that might have been able to crush it.

自由权利在近现代初期曾因为,君主制的兴起,而处于被毁灭的边缘

耶鲁公开课 - 古希腊历史简介课程节选

The U.S. is perfectly positioned to take advantage of the chemicals market with the emergence of shale gas.

FORBES: Chemicals Industry Exploding In The U.S. As Cheap Natural Gas Sends Stocks Near Multi-Year Highs

One of the biggest recent changes has been the emergence of the cloud.

FORBES: Why Elad Gil Gives Back To Silicon Valley

The reason for such confidence in augmented reality derives not from major leaps in the technology itself, but from a separate revolution: the emergence of the smartphone.

BBC: Augmented reality goes beyond gimmicks for business