【文章內(nèi)容簡介】 microscopic imperfections scientists are making far stronger ceramics. 這一作用從外表上看來像電容器的放電現(xiàn)象。 一旦離開了地球的引力范圍，宇航員又遇到了另一個問題 ——失重。 科學(xué)家們正通過 最大限度地減小微觀缺陷來制造強(qiáng)度高得多的陶瓷。 Atomic cells are small and very light, as pared to ordinary dry ones. Transistors can make previously large equipment much smaller. Astronomers have evidence of a few other stars too, which might have black holes as panions. 天文學(xué)家有證據(jù)表明，還有其他一些恒星也可能有黑洞作為伴星。 和普通電池相比，原子電池體積小、重量輕。 晶體管能使原先體積大的設(shè)備變得小得多。 The key to the new materials is researchers’ increasing ability to manipulate substances at the molecular level. The largest and most expensive products cannot, because of their size, be testable in the factory. Cold rolling enables the operators to produce rolls of accuracy and uniformity, and with a better surface finish. 最大最貴的產(chǎn)品，因為體積大，在該工廠里是不能檢驗的。 開發(fā)新材料的關(guān)鍵在于研究人員不斷提高在分子一級上處理物質(zhì)的能力。 冷軋可使操作工生產(chǎn)出精確度高、均勻度好的軋制件，并具有更好的表面光潔度。 All these factors play a key role in formulation of the model. PCs are not the most stable, and with video editing you have to be extra careful. This method makes it easy to identify the various ponents. 在擬訂模型時，所有這些因素都將起到關(guān)鍵性的作用。 這個方法使人們很容易識別各種不同的構(gòu)成成分。 個人電腦一般并不太穩(wěn)定 ，所以，進(jìn)行視頻編輯時需要加倍小心。 第 4節(jié) 翻譯練習(xí) 2 1 It was estimated that the power of an average horse is equal to 500 feetpounds per second. Panel patch is one gauge heavier than thickness of original skin. Studies have shown that information can be municated to people many times faster in a graphic form than in written form. 據(jù)估計，一匹普通馬的功率等于 500英尺 磅力 /秒。 補(bǔ)塊比原板的厚度大一號。 眾多研究表明，以圖形表示的信息被人們接受的速度比以文字表示的快許多倍。 The chemist is making an analysis of the poison. It appears that the construction of the dam has had a considerable effect on the ecology of the region. The receiver will operate reliably no matter what happens. 無論發(fā)生什么情況，這臺接收機(jī)都將可靠地工作。 藥劑師正對毒性進(jìn)行分析。 看來，建造水壩對這一地區(qū)的生態(tài)已經(jīng)有相當(dāng)大的影響。 Radiant, electrical and chemical energies can all be turned into heat. The frequency, wave length and speed of sound are closely related. Noise figure is minimized by parametric amplifier. 頻率、波長和聲速三者是密切相關(guān)的。 輻射能、電能和化學(xué)能這三種能均可轉(zhuǎn)變?yōu)闊崮堋? 采用參量放大器即可將噪音系數(shù)減小至最低限度。 In the absence of sufficient knowledge confusion exists in classifying a specimen as a butterfly or a moth. Lead can be hammered into very thin sheets without being broken. There are a number of devices that give an electric current when light falls on them, without any chemical changes taking place. 如果沒有足夠的知識，就分不清標(biāo)本是屬蝶類還是蛾類。 有許多器件在受光照射時能產(chǎn)生電流 ，但不發(fā)生任何化學(xué)變化。 鉛能被錘成很薄的薄片而不破裂。 詞的省譯 第 5節(jié) 翻譯練習(xí) 1 The fact that the concrete is slow in setting is no sign that it is of poor quality. Such an engine is called an internal bustion engine. The symptoms of hepatitis are similar no matter which virus is involved. 混凝土凝固得慢并不表示其質(zhì)量差。 這種發(fā)動機(jī)成為 a wealth of as a result 結(jié)果，因此 大規(guī)模地 大多數(shù)的 大量的 第 2節(jié) 翻譯練習(xí) 4 The machine is intended for grinding the top and bottom surfaces of tungsten carbide tips. The mechanism has been termed cumulative feedback inhibition. 該機(jī)床是供磨削硬質(zhì)合金刀片 上下表面用的。 這種機(jī)制就叫做累加反饋抑制。 第 2節(jié) 翻譯練習(xí) 5 The basic job of the puter is the processing of information. The main effect is to raise the fundamental slosh mode frequency. 計算機(jī)的基本任務(wù)是處理信息。 主要作用在于提高基本的晃動頻率。 第 3章 總復(fù)習(xí)題 Other factors affect the configuration of the total system. In normal flight the hatch doors fair into the fuselage. Energy can neither be created, nor destroyed by any means known to man. 另一些因素則將影響整個系統(tǒng)的結(jié)構(gòu)。 飛行正常時，艙門與機(jī)身平整貼合。 用人們已知的方法，既不能創(chuàng)造能量也不能消滅能量。 It is customary to refer to design levels as high or low on ponent plexity. The main economy of the system stems from the ability to move cars in a continuous train without uncoupling. He is a stranger to the operation of the electronic puter. 他對電子計算機(jī)的操作是陌生的。 習(xí)慣上根據(jù)部件的復(fù)雜程度把設(shè)計級稱為高設(shè)計級和低設(shè)計級。 此系統(tǒng)的主要經(jīng) 濟(jì)之處在于它能移動列車的車廂而不必將它們脫鉤分開。 A key element in system capacity planning is the financial cost of performance. The assembler can expand the key words in the assembly code into their full instruction set. The flame does not touch the flask directly. 這種匯編程序能把匯編 碼中的關(guān)鍵字?jǐn)U展成完整的指令集。 系統(tǒng)能力計劃中關(guān)鍵因素是性能的金融成本。 火焰沒有直接接觸燒瓶。 The study of the strength of solids involves the study of the defects in the crystalline structure. The problem was solved by the provision of a pensating jet. The rusting of iron is the slow ch