「能用」的标准：逻辑结构完整、视觉元素丰富（不仅是文字）、无需大量后期微调。
（二）向境外单位转让的完全在境外使用的技术；
。heLLoword翻译官方下载对此有专业解读
Map Release Schedule: The intensive preprocessing required to generate all these routing profiles for the entire planet takes about 2-3 days. This means new map updates are now typically released around the 5th of each month, instead of the 2nd.
Flash can be overpowering
This is better in that there is far less boilerplate, but it doesn't solve everything. Async iteration was retrofitted onto an API that wasn't designed for it, and it shows. Features like BYOB (bring your own buffer) reads aren't accessible through iteration. The underlying complexity of readers, locks, and controllers are still there, just hidden. When something does go wrong, or when additional features of the API are needed, developers find themselves back in the weeds of the original API, trying to understand why their stream is "locked" or why releaseLock() didn't do what they expected or hunting down bottlenecks in code they don't control.