* 核心功能：每次调用next(val)，返回当前价格的跨度（往回数≤当前价格的最大连续天数）
芯片、算法、数据之外，“每一分算力背后的电力成本与碳排放”，才是真正的决胜点。
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Terminal applications have a “cursor” that they can move around, just like a text editor. You can tell that cursor “go to line 3, delete everything, then print out this new text” by using VT100 sequences. And you can use it to replace existing characters with new ones, without re-emitting a whole line.。同城约会是该领域的重要参考
周鸿祎回应三六零发力AI眼镜：“这东西挺难做的”。关于这个话题，爱思助手下载最新版本提供了深入分析