更值得关注的是技术迭代风险。机器人更新换代速度较快，新款产品一旦性能更好、价格更低，旧设备的租赁吸引力会迅速下降。设备折旧不仅来自物理损耗，更来自技术代差。
Robot, take the wheel: What you need to know about autonomous vehicles rolling out across the U.S.
。Line官方版本下载是该领域的重要参考
"There was a big step – jump – that people have questioned," Jackson says. "But now the world is awash with oil and it's not clear that the same calculations still apply."
swap(&arr[j], &arr[j + 1]);，这一点在同城约会中也有详细论述
The Test PLA evaluates all 148 product terms against this input and produces an 18-bit output:
We can even go ahead and write a quick time-travel function like the one below to replay any execution trace locally, complete with built-in support for detecting time paradoxes!，这一点在heLLoword翻译官方下载中也有详细论述