“现行SAE分级是法律和责任的划分，非技术鸿沟。L3本质上是限定ODD运行范围的L4，因此跳过在技术上是个伪命题。“在公众号“电厂”的一篇文章中，原博世车载产品线负责人易强认为，L3是“缩小范围的L4”，区别主要是在法律法规上。法律人为限定了L3的使用范围。这才是当下L3和L4最大的不同。
Why are resident doctors striking and how much are they paid?
。业内人士推荐同城约会作为进阶阅读
It is an "unprecedented" amount and array of items, which will yield new insights into Britain's past, says the Centre for British Archaeology.
Lightning-generated waves detected at Mars
Local road conditions, traffic patterns, and edge cases are all analyzed and mapped out so that the autonomous vehicles are prepared for the location. After months of testing, Waymo will start testing the driverless version of the service. If all goes well, this will be followed by launching the full Waymo experience — where you hail a driverless car on the Waymo app — in the city.