Across the Channel 横渡海峡

年仅11岁的Debbie Hart计划明天从法国海岸出发,尝试横渡英吉利海峡并设立新的世界纪录。她的父亲将陪同并在小船上观察她完成这一壮举。Debbie打算每两小时休息一次,并只喝饮料不进食固体食物。抵达英国海岸时,她的朋友们及曾同样挑战成功的母亲将在那里迎接她。

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Debbie Hart is going to swim across the English Channel tomorrow. She is going to set out from the French coast at 5 o'clock in the morning. Debbie is only elevent years old and she hopes to set up a new world record. She is a strong swimmer and many people feel that she is sure to succeed. Debbie's father will set out with her in a small boat. Mr. Hart has trained his daughter for years. Tomorrow he will be watching her anxiously as she swims the long distance to England. Debbie intends to take short rests every two hours. She will have something to drink but she will not eat any solid food. Most of Debbie's shool friends will be waiting for her on the English coast. Among them will be Debbie's mother, who swam the Channel herself when she was a girl.
基于开源大模型的教学实训智能体软件,帮助教师生成课前备课设计、课后检测问答,提升效率与效果,提供学生全时在线练习与指导,实现教学相长。 智能教学辅助系统 这是一个智能教学辅助系统的前端项目,基于 Vue3+TypeScript 开发,使用 Ant Design Vue 作为 UI 组件库。 功能模块 用户模块 登录/注册功能,支持学生和教师角色 毛玻璃效果的登录界面 教师模块 备课与设计:根据课程大纲自动设计教学内容 考核内容生成:自动生成多样化考核题目及参考答案 学情数据分析:自动化检测学生答案,提供数据分析 学生模块 在线学习助手:结合教学内容解答问题 实时练习评测助手:生成随练题目并纠错 管理模块 用户管理:管理员/教师/学生等用户基本管理 课件资源管理:按学科列表管理教师备课资源 大屏概览:使用统计、效率指数、学习效果等 技术栈 Vue3 TypeScript Pinia 状态管理 Ant Design Vue 组件库 Axios 请求库 ByteMD 编辑器 ECharts 图表库 Monaco 编辑器 双主题支持(专业科技风/暗黑风) 开发指南 # 安装依赖 npm install # 启动开发服务器 npm run dev # 构建生产版本 npm run build 简介 本项目旨在开发一个基于开源大模型的教学实训智能体软件,帮助教师生成课前备课设计、课后检测问答,提升效率与效果,提供学生全时在线练习与指导,实现教学相长。
### Narrow Channel in Networking or Communication Protocols In the context of networking and communication protocols, a narrow channel refers to a smaller bandwidth allocation within the frequency spectrum used for wireless communications. For instance, when discussing the 2.4 GHz band, it is divided into multiple channels to allow simultaneous use by different devices without interference[^1]. These channels can vary in width; typically, Wi-Fi uses 20 MHz wide channels, but narrower channels may also exist depending on specific standards or technologies. A **narrow channel** generally implies that less bandwidth is allocated per channel compared to broader ones. This approach has several implications: - Reduced potential throughput due to limited available bandwidth. - Lower susceptibility to interference because fewer devices share each individual narrow channel. For example, Bluetooth operates using much narrower channels than typical Wi-Fi configurations, which helps reduce power consumption while maintaining sufficient performance for its intended applications such as audio streaming over short distances. Additionally, randomized algorithms play an important role in optimizing how these channels are utilized efficiently across various network environments ensuring minimal collisions between transmissions from separate users/devices operating within close proximity.[^2] ```python # Example Python Code Demonstrating Frequency Allocation Conceptually def allocate_channels(devices_count, total_bandwidth=2400): """Allocate equal-sized channels among given number of devices.""" min_channel_width = 1 # Minimum practical value based on application needs if not isinstance(devices_count,int) or devices_count<=0: raise ValueError("Invalid input: 'devices_count' must be positive integer.") max_possible_channels = int(total_bandwidth / min_channel_width) if devices_count > max_possible_channels: print(f"Not enough space! Maximum supported {max_possible_channels} devices with current settings.") return None assigned_channels = [] remaining_bw = total_bandwidth avg_chan_size = round(remaining_bw / devices_count) for _ in range(devices_count -1): new_ch_sz=min(avg_chan_size ,remaining_bw-(avg_chan_size *(devices_count-len(assigned_channels)-1))) assigned_channels.append(new_ch_sz ) remaining_bw -=new_ch_sz assigned_channels.append(remaining_bw ) return assigned_channels print(allocate_channels(5)) # Output will show distribution assuming default parameters ```
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