They combine with dust particles from the comet to form a huge cloud.

它们与来自彗星的尘埃颗粒结合在一起，形成了巨大的云团。

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Learn how to combine data from different sources-especially public ones.

了解如何组合来自不同来源(尤其是公开来源)的数据？

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Standardize the Rx, combine drug and non-drug therapy to prevent cardiac function from getting worse.

规范治疗方案，药物和非药物治疗相结合，防止心功能恶化。

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Standardize the Rx, combine drug and non-drug therapy to prevent cardiac function from getting worse.

规范治疗方案，药物和非药物治疗相结合，防止心功能恶化。

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