在这个需求爆发的节骨眼，电商时代的巨轮也转到了老张面前。
一个是L4技术实现有了样板，一个是L4商业试点已有成效。，这一点在Line官方版本下载中也有详细论述
正定，是习近平同志从政起步的地方。当年，正定每年上缴征购粮7600万斤，是“农业学大寨”先进县。可是粮食交得越多，群众收入越低，正定实际上是个“高产穷县”。。51吃瓜对此有专业解读
Offline navigation is a lifeline for travelers, adventurers, and everyday commuters. We demand speed, accuracy, and the flexibility to tailor routes to our specific needs. For years, OsmAnd has championed powerful, feature-rich offline maps that fit in your pocket. But as maps grew more detailed and user demands for complex routing increased, our trusty A* algorithm, despite its flexibility, started hitting a performance wall. How could we deliver a 100x speed boost without bloating map sizes or sacrificing the deep customization our users love?
One user Alastair, or Eret, who hosts a server on the platform with more than 60,000 users, told the BBC simply, "I do not trust them."