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| composição da atmosfera (大气成分中的化学成分，包括氮，氧气，二氧化碳，氦，氩，氪，氙，以及水蒸气，甲烷，氢气，臭氧，氮氧化物。) | |||
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大气组成 : 2 phrases in 1 subject |
| Environment | 2 |
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