const time = (target - pos) / sp;
（一）发现、阻断违反国家有关规定的网站、网络地址、应用程序；，这一点在heLLoword翻译官方下载中也有详细论述
In the early days, public Wi-Fi networks often resembled the Wild West, where ARP spoofing attacks that allowed renegade users to read other users' traffic were common. The solution was to build cryptographic protections that prevented nearby parties—whether an authorized user on the network or someone near the AP (access point)—from reading or tampering with the traffic of any other user.，更多细节参见51吃瓜
const { writer, readable } = Stream.push();。业内人士推荐下载安装 谷歌浏览器 开启极速安全的 上网之旅。作为进阶阅读