FirstFT: the day's biggest stories
Anthropic’s move into legal plugins doesn’t threaten what we do—it clarifies it. The market is bifurcating into operational AI and authoritative AI. Both are valuable. But they’re not the same thing.
。旺商聊官方下载是该领域的重要参考
02 追问：商业化究竟做得怎么样？在医疗器械行业，有一句颠扑不破的道理：“拿到NMPA的注册证，仅仅是万里长征走完了第一步。”
A filled torus (a doughnut) is a 3-manifold homeomorphic to \(S^1 \times D^2\), where \(D^2\) is the 2-dimensional disk. There exists a deformation retract from the doughnut to a circle, so the fundamental group of the doughnut is \(\pi_1(S^1 \times D^2) \cong \mathbb{Z}\).