学习d类IP地址，我能了解哪些实际应用场景？,项城百度seo网站优化方案

API 请求失败：API request failed: HTTPSConnectionPool(host='open.bigmodel.cn', port=443): Max retries exceeded with url: /api/paas/v4/chat/completions (Caused by NameResolutionError(": Failed to resolve 'open.bigmodel.cn' ( getaddrinfo failed)"))

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