肝损伤可能主要与机体免疫等相关，HBV变异仅起次要作用。
Liver damage is probably associated with body immunity. HBV mutation maybe play a secondary role in Liver damage.
在数学学科的很多的领域中算术只是起到次要作用，例如逻辑学和几何学。
There are entire fields of mathematics where numerical manipulation is peripheral: logic and geometry, for example.
屏蔽套的次要作用是用来避免转子铜条和定子绕组与反响堆冷却剂接触。
Shielding set of main function is used to prevent the rotor stator winding copper strip and with reactor coolant contact.
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