The ubiquity of phenanthrene series, chrysene series compounds, perylene and retene compounds in the sediment indicated that PAHs mainly came from the terrestrial plants.
在样品中检测到角鲨烯，表
这一地区存在
物甲烷合
和细菌作用，具有油
及天然水合物可能
。
The ubiquity of phenanthrene series, chrysene series compounds, perylene and retene compounds in the sediment indicated that PAHs mainly came from the terrestrial plants.
在样品中检测到角鲨烯，表这一地区存在物甲烷合和细菌作用，具有油及天然水合物可能。
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