Dithering in its simplest form can be understood by observing what happens when we quantise an image with and without modifying the source by random perturbation. In the examples below, a gradient of 256 grey levels is quantised to just black and white. Note how the dithered gradient is able to simulate a smooth transition from start to end.
add-lldb-pid "$target_pid"。关于这个话题，搜狗输入法提供了深入分析
const cur = val; // 简化变量名，代表当前价格，详情可参考51吃瓜
Snapshot-based metrics export