{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"38270854-596f-4a26-8183-db8c968c6020","title":"编码 隐匿在计算机软硬件背后的语言","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787121181184","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"38270854-596f-4a26-8183-db8c968c6020","id":"38270854-596f-4a26-8183-db8c968c6020","uuid":"38270854-596f-4a26-8183-db8c968c6020","title":"编码 隐匿在计算机软硬件背后的语言","normalized_title":"编码隐匿在计算机软硬件背后的语言","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787121181184","isbns":["9787121181184","0123456789","6044921875","3039331000","0000000000","0000000000000"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":438,"navigation_url":"https://workshop.closeclaw.top/ai/book/38270854-596f-4a26-8183-db8c968c6020","title_url":"https://workshop.closeclaw.top/ai/title/%E7%BC%96%E7%A0%81%20%E9%9A%90%E5%8C%BF%E5%9C%A8%E8%AE%A1%E7%AE%97%E6%9C%BA%E8%BD%AF%E7%A1%AC%E4%BB%B6%E8%83%8C%E5%90%8E%E7%9A%84%E8%AF%AD%E8%A8%80","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/38270854-596f-4a26-8183-db8c968c6020/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/38270854-596f-4a26-8183-db8c968c6020/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/38270854-596f-4a26-8183-db8c968c6020","page_url":"https://workshop.closeclaw.top/api/ai/books/38270854-596f-4a26-8183-db8c968c6020/page","search_url":"https://workshop.closeclaw.top/api/ai/books/38270854-596f-4a26-8183-db8c968c6020/search"},"page":{"printed_page":6,"pdf_page":22,"physical_index":22,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"38b13fb1a4ea094d461094693a157d3ef4cfa687e5698515fb3c47b56becf43c"},"chapter":"编码隐匿在计算机软硬件背后的语言","content":"这些编码至少比字母编码更有规律一些。大部分标点符号由5个、6个或者7个“点”和“划”的组合序列来表示，如下所示。\n\n还有一些编码则用来表示某些欧洲语言中的重音字母，以及用于特殊目的的速记序列。如SOS的编码就是这样的一个速记序列：必须连续地传递这三个字母，而且字母之间只有一个点的停顿时间。\n\n如果有一个专门为此设计的手电筒的话，你会发现和朋友之间通过莫尔斯编码交流将变得更加简单。除了一个可以滑动的开关外，这种手电筒还有一个按钮开关用来控制灯光的明灭。在一些实际应用中，可以达到每分钟传递5到6个单词的速度—虽然这仍比讲话慢得多（讲话的速度在每分钟100个单词左右)，但这已经足够了。\n\n当你和朋友最终熟记了莫尔斯编码之后（这是能熟练地收发编码的唯一方法)，你们甚至可以在口语中使用它，用来取代正常的语言。为了使编码发送的速度最快，你可以把“点”读作“嘀（dib），把“划”读作“嗒（dab”。文字也可以用同样的方式简化成“点”和“划”的序列，莫尔斯编码的口语版把讲话内容缩减到只剩下两个声音了。\n\n问题的关键就在于数字2。两种闪烁，两种声音。事实上，两个不同的事物，只要经过适当的组合，就可以表示所有类型的信息，这的确是千真万确的。\n\n编码隐匿在计算机软硬件背后的语言\n\n6","previous_page":5,"next_page":null}