{"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":8,"pdf_page":24,"physical_index":24,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"e540b0a4ccf69740e8d6daf5c2a52ed6748aa6f835fd799737b3bfb9297a0f61"},"chapter":"编码隐匿在计算机软硬件背后的语言","content":"问题就出在这里，因为我们现在只有一张提供“字母→莫尔斯码”的编码表，而缺少一张可以实现反向查询的“莫尔斯码→字母”译码表。在开始学习莫尔斯码的初级阶段，如果有这样的一个表无疑将是很方便的。但是要建立这样一张表，谈何容易。似乎这些字母对应的“点-划”序列并没有什么规律。\n\n所以忘掉字母序列吧。或许根据编码中所包含点、划的多少来对其进行分组，是一个更好的组织这些编码的方法。例如，一个仅包含一个点或一个划的莫尔斯码只能代表两个字母：“E”或“T”。\n\n一组含有2个点或划的编码组合，可以给我们呈现出4个字母—I，A，N和M。\n\n一组含有3个点或划的莫尔斯码可以为我们表示更多的字母。\n\n最后（如果我们不想考虑存在数字和标点符号的莫尔斯码的情况)，一串由4个点或划组成的莫尔斯码就可以表示16个字符。\n\n编码隐匿在计算机软硬件背后的语言\n\n8","previous_page":null,"next_page":9}