但事实上是已知汇远远大于已知源，且各个源汇的通量在不同研究中结果差异较大，归其原因是卤代甲烷释放与吸收机制的不确定性。

In fact, identified sinks outweigh known sources and fluxes of each source and sink have great discrepancy in different results, this is due to uncertainty of gas production and degradation mechanism.

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本文通过植物分子式的方法确定不同树种的含碳量，以此为参数对我国的森林碳汇量进行了估算。

This paper estimates the carbon content of different trees by the plant molecular formula, and estimated the forest carbon sequestration in our country using the carbon content as parameter.

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该文献确定了洋陆边缘的4个主要研究领域，即大陆岩石圈裂解、俯冲带物质转换、地震带实验、源汇系统。

Rupturing Continental Lithosphere, Subduction Factory, the Seismogenic Zone Experiment, and Source-to-Sink, for the field of ocean-continent margin researches.

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