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    • 水下噪音恐會改變海洋生物行為

      台灣新生報 via Yahoo奇摩新聞· 3 天前

      ... ，且不同的魚種，對聲音頻率的感知不盡相同。 為了降低螺槳發出的噪音，柯教授還設計出高性能端板螺槳，葉尖處的端板會抑制「渦空泡」(vortex cavity ... ...

  1. cavity 相關
    廣告

  2. Cavity Clearance - New Deals Every Day - Beauty

    Compare Deals on Cavity & Save Up to 70%. Shop Now!

    Types: Fragrances、Skincare、Hair Care

  3. What Is Dental Caries? - See How It Affects Your Health

    Dental Caries: Are You At Risk, How To Avoid Them, Treatment Options & More. Discover 10 Facts About Dental Caries.