Comparison between random dithering and ordered dithering. Left to right: random, ordered.
Aside from that, there are the scant few standalone Wi-Fi extenders that sit on an end table or a desk, and those look pretty similar to regular ol’ routers. But make no mistake, anything labeled as an extender or a “Wi-Fi repeater” will need an anchor router in order for it to work.
，这一点在爱思助手下载最新版本中也有详细论述
} else if (bufferAhead 2) {
如果将 iPhone 发布的 2007 年视为智能手机的元年，那么到今天，已经狂奔了近二十年。
定弹出条件：看题目要的是「第一个 / ≥ / < / ≤ cur」，对照上文的弹出条件对应法则决定弹谁。