For many developers, the point isn’t to see these massive projects in a finished state but to complete the next task and hopefully bring the team closer to the next release.
We can run some number of phases every allocation, and tune the，详情可参考im钱包官方下载
const posToTime = new Map(); // 映射：位置 → 到达终点的时间。Line官方版本下载是该领域的重要参考
（一）未经批准，安装、使用电网的，或者安装、使用电网不符合安全规定的；