2.2.3 Mermaid 类图（classDiagram）
OpenAI raises $110B in one of the largest private funding rounds in history
。爱思助手下载最新版本是该领域的重要参考
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Nowadays, there’s really no difference between a Wi-Fi booster and Wi-Fi extender - they’re just different names for the same thing. Previously, however, Wi-Fi boosters were devices that received signals from wireless routers, broadcasting them to another network. This essentially extends the range of the signal. Wi-Fi extenders expand the coverage within your home’s Wi-Fi network, but often you will see extenders described as boosters.