当烃(典型的烷烃)的几个或全部氢被氯和氟取代而生成的化合物。
Compounds formed when some or all of the hydrogen atoms in a hydrocarbon (typically an alkane) have been replaced with chlorine and fluorine.
苯环本身对低温氧化并不敏感，但当它取代进入烷烃链后，将增加链对低温氧化的响应。
The benzene ring itself is not susceptible to low-temperature oxidation, but its substitution into a paraffinic chain increases the response of the latter.
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