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it has been demonstrated that ...

双语例句

  1. It has been demonstrated that this drug is effective.
    这药已证实是有效的。
    来自《牛津词典》
  2. It has been demonstrated that IL-18 exists in cells of human, mammal and some kinds of birds.
    目前在分子水平上已经证明，人、哺乳动物和某些鸟类中都有IL-18存在。
  3. In particular, it has been demonstrated that the conventional GARCH model can exaggerate volatility persistence compared to the (true) volatility process perceived by the market.
    特别是，相对于被市场所发现的真实波动过程来说，传统的GARCH模型夸大了波动的持续性。