这些研究中使用的射频接触量比一般公众从基台或无线网络接触的量约高1000倍。
RF exposures used in these studies were about 1000 times higher than those associated with general public exposure from base stations or wireless networks.
结果无蛋白培养基中单抗的产量与效价比有血清培养的单抗高2～ 4倍，而且单抗的纯度显著提高。
Results The results showed that the yield, titer and purity of those McAbs were 2-4 times higher than those produced in serum containing medium.
纤维增强树脂基复合材料是一类高比强度、高比刚度的结构材料。
The fiber reinforced resin matrix composites are a kind of structural material with high specific strength and high specific rigidity.
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