@sci_feed · Post #3744 · 02/10/2026, 07:00 PM
FDA将重新评估常见零食中使用的防腐剂BHA的安全性 美国联邦卫生官员表示,他们将重新评估用于食品(包括薯片、谷物食品、冷冻食品和肉制品)中的化学物质BHA的安全性。 来源: Medical Xpress | 阅读全文 发布时间: 2026-02-11 02:30 GMT+8(北京时间) #BHA#食品安全#FDA
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Source channel @githubtrending · Post #14993 · Jul 24
#jupyter_notebook Retrieval Augmented Generation (RAG) helps large language models (LLMs) answer questions using up-to-date or private information by connecting them to external data sources, unlike fine-tuning which retrains the model on specific data. RAG is useful when you need current, dynamic information without costly retraining, making it ideal for tasks like customer support or knowledge management. Fine-tuning is better for deep expertise in a specialized field but requires more data and effort. Using RAG lets you get accurate, relevant answers quickly by combining the model’s language skills with fresh, specific data, improving usefulness and reliability. https://github.com/langchain-ai/rag-from-scratch
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