{"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":118,"pdf_page":134,"physical_index":134,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"da8faa1ed110b06fd39e162f38ba2ec3ef325be0b02db3430f4735fb9b2c6fb9"},"chapter":"编码隐匿在计算机软硬件背后的语言","content":"灯泡仍然不亮，因为下面的开关一直是断开的，这个继电器没有被触发。我们现在断开上面的开关，并闭合下面的开关。\n\n灯泡仍然不亮。由于上面的继电器没有被触发，电流无法流过灯泡。只有两个开关都闭合的时候灯泡才会被点亮。\n\n这时，两个继电器都被触发，电流从V流经灯泡后流入到地中。\n\n就像两个开关串联一样，这两个继电器也执行了逻辑操作。只有当两个继电器都被触发的时候灯泡才会亮。这样两个继电器的串联被称为一个“与门”。为了避免复杂的图示，电气工程师用如下专门的符号表示一个与门。\n\n编码隐匿在计算机软硬件背后的语言\n\n118","previous_page":117,"next_page":119}