https://blog.wongcw.com/2019/01/30/%e5%be%ae%e4%bf%a1%e3%80%81qq%e5%9c%b0%e4%bd%8d%e9%9b%a3%e6%92%bc%e5%8b%95%e5%a4%9a%e9%96%83%e3%80%81%e9%a6%ac%e6%a1%b6mt%e3%80%81%e8%81%8a%e5%a4%a9%e5%af%b6%e6%9c%80%e4%bd%8e%e7%94%a8%e6%88%b6/
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