Российский телеведущий пожаловался на испражняющихся на улицах одной страны людей20:47
* @param arr 待排序数组。PDF资料对此有专业解读
Ray Tracing/Path Tracing。关于这个话题，clash下载提供了深入分析
When a client asks for the time, it sends a random nonce. The server replies with a signed certificate containing both the nonce and a timestamp, proving the response happened after the request. Responses can be chained together with provable ordering; if any server’s timestamps are inconsistent with that ordering, that server is cryptographically “outed” as unreliable.