Unverified50% confidenceFactExact time
LLM交互模型中输入分为系统提示、用户消息和助手回复三个层次，系统提示处于最高优先级并在整个对话中持续生效
1
Sources
50%
Confidence
Long-term
Relevance
7/19/2026
First Seen
Sources
Related Claims
Unverified现代 LLM 应用通常将上下文分为三层：系统提示词、对话历史和用户输入83% similarUnverifiedIn multi-turn conversations, the System message sets the behavioral tone and constraints, the user message represents user input, and the assistant message is the model's historical replies.83% similarUnverifiedThe new generation of LLM-based dialogue systems uses a context window mechanism, enabling semantic coherence across multiple consecutive conversational turns and adaptive adjustments.78% similarVerifiedIn large language model API calls, messages are divided into three roles: system, user, and assistant, with the system prompt having the highest priority.75% similarUnverified系统中调用LLM接口的场景包括新闻分析、信号生成、Agent决策和经验总结等75% similar
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