求翻译：一方面，多环芳烃对蚯蚓产生毒害，另一方面，蚯蚓对多环芳烃进行降解，可见二者在土壤中相互影响。因此，本文通过不同的萃取方法研究了多环芳烃在土壤中的老化规律，考察了蚯蚓活动对不同老化时间多环芳烃的降解，探究了老化的多环芳烃对蚯蚓的生长，生物有效性，抗氧化酶的影响。是什么意思？

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In a multi-ring polycyclic aromatic hydrocarbons, and have toxic to earthworms, on the other hand, the earthworm for polycyclic aromatic hydrocarbons, visible in the soil 2, affect each other. Therefore, this document with a different extraction methods for studying the polycyclic aromatic hydrocarb

At the same time, the multi-link aromatic hydrocarbon produces to the earthworm poisons, on the other hand, the earthworm carries on the degeneration to the multi-link aromatic hydrocarbon, obviously the two affect mutually in the soil.Therefore, this article has studied the multi-link aromatic hydr

On one hand, on earthworm toxicity of polycyclic aromatic hydrocarbons, on the other hand, earthworms on degradation of polycyclic aromatic hydrocarbons, both influence each other in soil. Therefore, this article by different extraction method of the aging rule of polycyclic aromatic hydrocarbons in

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