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1. The isoarticulatin is a unique species that has not been found in other countries.
这个物种是独一无二的，在其他国家尚未发现。
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2. The isoarticulatin is a rare and endangered species that requires special care to protect.
这个物种是稀有的，处于濒危状态，需要特别的照顾来保护。
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3. The isoarticulatin plays an important role in the ecosystem as it helps control the population of other animals.
这个物种在生态系统中起着重要作用，因为它帮助控制其他动物的数量。