这一现象可能与干扰素的抗病毒机制有关。
This phenomenon may be involved in the mechanism of antiviral action of interferons .
目的为了研究返魂草提取物及其有效成分抗病毒机制。
Objective To study anti-virus mechanism of the extract and effective components of Senecio cannabifolius Less(SCL).
作为抵抗病毒的自然防御机制的一部分，限制酶存在于细菌中。
Restriction enzymes occur in bacteria as part of a natural defense mechanism to guard against invading viruses.
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