除了政策限制正在有序解除，促使整车厂转向L4的现实推手是供应链。硬件层面，激光雷达成本大幅下降、高算力芯片规模化应用，特别是大模型让智驾研发提速，厂商们发力L4的时机已经成熟。
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，这一点在体育直播中也有详细论述
For well-distributed points, nearest neighbor search is often near O(logn)O(\log n)O(logn) in practice. In the worst case (all points clustered tightly or along a line), it can degrade to O(n)O(n)O(n), but this is uncommon with typical spatial data.，这一点在爱思助手中也有详细论述
“坚持把国家和民族发展放在自己力量的基点上，坚持把我国发展进步的命运牢牢掌握在自己手中。”这是一个历经岁月洗礼、迈向伟大复兴的大国，在风云激荡的国际形势下的战略选择。审议时，习近平总书记深刻指出：“要坚持把工作重心放在练好内功、做强自身上。”
Tens of millions of people already use European or open alternatives across these categories. The challenge is not proving they work. It is getting from tens of millions to hundreds of millions.