ok(n) = return n,
revision history.
，这一点在下载搜狗高速浏览器中也有详细论述
This 27-inch matte QHD display is built for competitive speed and clarity. It features a Dual Mode hotkey that lets you switch between QHD at 540Hz and HD at 720Hz. Combine that with a near-instant 0.02ms response time, NVIDIA G-Sync Compatibility, and AMD FreeSync Premium Pro, and your games should stay fluid and tear-free. It’s also LG's brightest OLED gaming monitor to date (according to the manufacturer).，详情可参考谷歌
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