So, it is not only of academic theoretical significance but also has the extensive engineering application value to carry out the study on the gas-solid two-phase free shear flows.
因此，开展对气固两相自由剪切流动的研究不仅具有重要的学术理论意义，也有广泛的工程应用价值。
OSLO (Reuters) - Thawing permafrost can release nitrous oxide, also known as laughing gas, a contributor to climate change that has been largely overlooked in the Arctic, a study showed on Sunday.
周日发表的一项研究显示北极永冻土壤解冻可以释放出氧化亚氮，俗称笑气。 这种温室气体对气候变化的贡献一般为世人所忽视。
The new kid on the energy block, shale gas, may be worse in climate change terms than coal, a study concludes.
一项研究指出：作为能源家族的新成员，页岩气对气候变化的影响高于煤炭。
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