雷军还在直播中透露，小米深入参与电池研发，并且自己制造一部分的电池包，有助于更深入地掌握电池技术，更好地与供应商协同配合，严格把控电池的质量和安全。
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。雷电模拟器官方版本下载对此有专业解读
* 获取数字的第digit位（从右往左，0表示个位）
// 栈的长度 = 独立车队数量