通信英語教程(ppt32)-電子電信-在線瀏覽
2024-10-16 20:50本頁面
【正文】 e P region, and holes into the N region. samples the next N bits at their centers, using a clock using a clock generated locally by the receiver 嚴(yán)格的語法修飾： 分詞作定語 ?單個(gè)分詞作定語，位于所修飾名詞之前。 ? moving electrons electrons moving within the wire ? the applied voltage the voltage applied across the resistance (易加修飾） the voltage applied by the circuit across the resistance to amplify the ining signal ? used method （不易加修飾） monly used method the most monly used method 英譯漢練習(xí)：（要求用本課所學(xué)句型翻譯） 1. 字符中的比特位并非全部用于表示數(shù)據(jù)。 3. 我們將字符的起始位設(shè)置成空號(hào)電平，而將字符的終止位設(shè)置成信號(hào)電平。 5. 由發(fā)送器所送出的停止位總是被設(shè)置成信號(hào)電平。 7. PCM是用以將模擬信號(hào)轉(zhuǎn)換成數(shù)字信號(hào)的一種重要方法。 All bits of a characters are not used to represent data. 2. 所有起始位都不被設(shè)定為信號(hào)電平。 The start bit of a character is placed in the space level, and the stop bit the mark level. 4. 在計(jì)算機(jī)與其顯示終端之間最為常見的串行接口是異步串行接口，而在電路交換機(jī)與其電話終端之間最為常見的串行接口是同步串行接口。 Stop bit send by transmitters are always placed in the mark level. 6. 現(xiàn)在我們來考慮一個(gè)包含 8個(gè)信息比特加 4個(gè)控制比特的字符。 PCM is a important method used to convert an analog signal into a digital one. UNIT 3 形容詞短語作后置定語： ? a form suitable for transmission over these facilities. 常見的有： suitable for ? , similar to ? , capable of ? , different from ? , available to ? , able to (do ? ), necessary to (do ? ), ? a LSI chips available to the design engineer ? motion parallel to the earth’s surface ? a quantity greater than any number ? something as small as a worm 插入語 插入語與其他部分沒有直接語法關(guān)系，一般有逗號(hào)隔開，但也可以沒有。 ?Even worse, a preface may resemble an advertisement for the text. ?Wellgrounded students can absorb Chapters 4 and 5 in say three weeks. ?What, you may wonder, does 54/74 stand for? ?The author concentrated on what he thought he could do best. 編者主要集中在他認(rèn)為他能寫得最好的那些內(nèi)容上。 插入語主要起承上啟下的作用或表示作者的態(tài)度。 ? what it would take to survive a nuclear war 避免核戰(zhàn)爭(zhēng)所需要的 ? for 短語為 to survive 的邏輯主語 by doing sth 為 to survive 的裝語 要求后置定語的名詞 something, anything, everything, nothing。 someone, anyone, everyone, no one 等 ?Everything electronic will be done digitally. ?In what follows we shall learn that there is nothing mysterious. ?There is something peculiar that should be noted about the left side of the graph. ?Coherent osci
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