求翻译：大气里的碳含量，减少温室气体排放，成为本世纪初最重要的环保话题之一。固碳减排，即碳封存技术，目前只有物理固碳和生物固碳等两种方式。是什么意思？

The carbon content in the atmosphere, reducing greenhouse gas emissions, one of the most important environmental topic in the beginning of this century. Carbon sequestration and emission reduction, carbon sequestration technology, at present only two ways of physical carbon sequestration and bio-car

In atmospheric levels of carbon, reducing greenhouse gas emissions, as at the beginning of the century's most significant environmental issue. The carbon reduction, carbon sequestration technology, and is now only physical biological carbon sequestration and carbon sequestration.

In the atmospheric carbon content, reduces the greenhouse gas emissions, becomes at the beginning of one of most important environmental protection topics.The solid carbon reduces the platoon, namely the carbon seals the technology, at present only then physical solid carbon and biological solid car

Carbon content in the atmosphere, reduce greenhouse gas emissions and become one of the most important environmental topics at the beginning of this century. Carbon sequestration and emission reduction, namely carbon sequestration technology, only physical carbon sequestration and biological carbon

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