https://blog.wongcw.com/2019/01/14/alphabet%e6%b8%ac%e8%a9%a6%e7%84%a1%e4%ba%ba%e6%a9%9f%e6%96%b0%e7%b3%bb%e7%b5%b1%e6%88%96%e7%82%ba%e7%84%a1%e4%ba%ba%e6%a9%9f%e5%95%86%e7%94%a8%e9%8b%aa%e8%b7%af/
Alphabet測試無人機新系統或為無人機商用鋪路