随后的在实验室进行的基因分析表明他们拥有各自的特性，属于新物种。但是因为他们已经适应了相似的气候和地理条件，所以它们看起来很像。

Subsequent genetic analysis back at the lab showed that they are new species in their own right but looked alike because they had adapted to similar climate and geographical conditions.

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如同大多数草药一样，青蒿素的含量和效力取决于气候、地理和环境条件。

As with most medicinal herbs, artemisinin's contents and efficacy are subject to climatic, geographical and environmental conditions.

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由于地理条件的不同，藏南谷地和藏北高原气候差异很大。

Due to the different geographical conditions, temperatures of the south grassland and north plateau differ sharply.The south is warm and rainy.

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