介詞短語(yǔ)在句中分析與翻譯的實(shí)例04

46．　If an engineer applies aformula or a tabulation or a curve blindly，　without knowing its history，its accuracy and the limits of its sapplicability，the results that he obtains will be neither intelligent nor practical．

　　如果一個(gè)工程師盲目地應(yīng)用一個(gè)公式、一張圖表或一條曲線，而對(duì)它的來歷、精確度和應(yīng)用范圍卻一無所知，那么他所得到的結(jié)果既不明智，也不實(shí)際。(without．．．a(chǎn)pplicability介詞短語(yǔ)作謂語(yǔ)applies的條件狀語(yǔ)。that引導(dǎo)定語(yǔ)從句，在句中作obtains的賓語(yǔ)。)



　47．The neutron carries no electrical charge and in some respects acts as though it were composed of a proton and electron combined，with the positive charge of the proton neutralized by the　negative charge of the electron．

　　中子不帶電荷，并且有點(diǎn)像是由質(zhì)子和電子結(jié)合而成的，質(zhì)子的正電荷被電子的負(fù)電荷中和了。(in somerespects，“在某些方面”，“有點(diǎn)”。act as though，“表現(xiàn)得似乎”。as though引導(dǎo)方式方法狀語(yǔ)從句，其謂語(yǔ)常用虛擬語(yǔ)氣。句末with引出介詞復(fù)合結(jié)構(gòu)，對(duì)前句的謂語(yǔ)作補(bǔ)充說明。)



　　48．We know that the rate of cooling from above the critical range will greatly change the structure and therefore the properties of any steel．

　　我們知道，從臨界溫度以上冷卻的速率會(huì)大大改變?nèi)魏我环N鋼的結(jié)構(gòu)，從而會(huì)改變其性能。(from above．．，“從……以上"，是雙重介詞。)



　　49．Increasing problems of all kinds with fossil fuel power plants are turning power and utility companiesmoreandmore tOtheuseOfnuclearpoweredelectricgeneratingplants．

　　礦物燃料發(fā)電廠所產(chǎn)生的問題日益增多，這就促使電力公司和公用事業(yè)公司越來越傾向于采用核動(dòng)力發(fā)電廠。(problem．．．with，“在……方面產(chǎn)生的問題”，with有表示“范圍”。)



　　50．Ever since，people have had difficulty in deciding whether the hovercraft should be ranged　among ships,planes，or land vehicles—for it is something in between a boat and anaircraft．

　　從那以后，人們感到很難確定把這種氣墊船歸為哪一類：船、飛機(jī)還是車輛，因?yàn)樗�是一種介于船與飛機(jī)之間的交通工具。(in between，“介于兩者之間”，作定語(yǔ)修飾something。)



　　51．The electric resistance of a wire is the ratio of the potential difference between it stwo ends to the current in thewire．

　　導(dǎo)線的電阻等于該導(dǎo)線兩端之間的電位差與導(dǎo)線中電流的比值。(tothecurrent．．。是ratio要求的。the ratio of A to B，“A與B之比”。)



52．Pollution is caused either by man's release of completely new and often artificial substances into the environment，or by releasing greatly increased amounts of a natural substance，such as oil from oil tankers into the sea．

　　引起污染有兩種途徑：一是人們經(jīng)常把全新的人造物質(zhì)釋放到環(huán)境中，或是把大量的天然物質(zhì)譬如油輪溢出的石油釋放到海里。(此句為簡(jiǎn)單句，主要是由兩個(gè)by引出的短語(yǔ)把這個(gè)句變得復(fù)雜了。第一個(gè)into是名詞~ease要求的。第二個(gè)into是動(dòng)名詞releasing要求的。From oil tankers作定語(yǔ)修飾oil。)



　　53．Hardening of grey cast iron may be carried out by heating the casting to above the critical　range and then cooling it，usually in oil．

　　灰口鑄鐵的淬火過程是：先把鑄鐵加熱到臨界溫度以上，然后加以冷卻，通常在油里冷卻。(heating．．．to above，“把……加熱到……之上”。to above是雙重介詞。)



　　54．Motion in the most general sense，conceived as the mode of existance，the inherent attribute，of matter，comprehends a11 changes and processes occurring in the universe，from mere　change of place right up to thinking．

　　從最普遍的意義

上來看，可以認(rèn)為運(yùn)動(dòng)是物質(zhì)存在的形式，是物質(zhì)的固有屬性，運(yùn)動(dòng)包括宇宙中所發(fā)生的一切變化和過程，從單純位置的變化直到思維。(主語(yǔ)是motion，謂語(yǔ)是comprehends，被一個(gè)介詞短語(yǔ)inthemostgeneralsense和一個(gè)分詞短語(yǔ)conceived as...隔開了。of　matter既說明existance，也說明attribute。介詞短語(yǔ)from．．．用來說明a11 changes and processes。)



　　55．The air is heated by the flame，expands，and thus becomes less dense．　Denser air flows in　from below and the result is that irregular layers of air of different densities are formed above the　flame．

　　空氣受火焰加熱而膨脹，于是變得比較稀薄。較密的空氣從底下流人，其結(jié)果是，火焰上 方形成了密度不同的不規(guī)則的空氣層。　(flow in，　“流人”。from below，　“自下”，　“從下面”。 above the flame作地點(diǎn)狀語(yǔ)。)　

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