【正文】 而對(duì)于任何非線性電阻器我們應(yīng)當(dāng)始終這么稱呼它，非線性電阻器不應(yīng)當(dāng)必然地被視為不需要的元件。（狀語(yǔ)從句）Before one studies a system, it is necessary to define and discuss some important ，必須定義并討論一些重要的術(shù)語(yǔ)。 industrial customers are supplied by primary feeders at this voltage level from the primary system, which also supplies the distribution transformers providing secondary voltages over singlephase threewire circuits for residential and mercial customers at 120 V/240 。3)The device includes an instrument transformation and a relay system which has two circuits in device includes an instrument transformation and arelay system with two circuits in 。3)Electric power is generated in power generating stations or 。靜止土壓力表示介于主動(dòng)和被動(dòng)兩種極限狀態(tài)之間的情況。裝配技術(shù)應(yīng)該盡量避免引進(jìn)潛在的危險(xiǎn)裂縫或缺陷。通常，節(jié)點(diǎn)應(yīng)當(dāng)布置得使應(yīng)力集中減少到最小，以使通過節(jié)點(diǎn)的‘應(yīng)力流，盡可能平滑。超過這個(gè)限制塑性鋼的流動(dòng)沒有任何壓力，直到應(yīng)變硬化應(yīng)變的增加就達(dá)到了。經(jīng)驗(yàn)表明，不考慮其他低于標(biāo)準(zhǔn)的因素，米得行車道寬足夠保證安全。但是它數(shù)據(jù)安全性較低，對(duì)服務(wù)器要求高，數(shù)據(jù)傳輸速度也慢。而C /S結(jié)構(gòu)是傳統(tǒng)的結(jié)構(gòu)，技術(shù)非常成熟，安全性較高，網(wǎng)絡(luò)通信量低，響應(yīng)速度快。但是結(jié)合路肩寬度的減少，視距不足及其他因素。這通常是塑料的范圍相當(dāng)大，以及對(duì)鋼鐵延性非常重視。焊接細(xì)節(jié)也應(yīng)考慮到這一決定，和不必要的39。重要結(jié)構(gòu)物的設(shè)計(jì)細(xì)節(jié)需要受目的在于探測(cè)嚴(yán)重缺陷的檢查程序的影響。每一種土壓力都取決于土壤的物理特性以及土壤和結(jié)構(gòu)的相對(duì)剛性。4)The meters are calibrated and the scale is designed to read the value of the desired ，以便讀出期望的數(shù)值。1)It has been mentioned above that the electrons in a metalare able to move freely through the metal, that their motion constitutes an electric current in the metal and that they play an important part in conduction of ：金屬中電子能自由地通過金屬，電子的移動(dòng)在金屬中形成了電流，電子在熱傳導(dǎo)中起著重要的作用。一次系統(tǒng)也給經(jīng)過單相三線電路為居民用電和商業(yè)用戶提供120V/240V二次電壓的配電變壓器供電。（狀語(yǔ)從句）It is possible that we use a puter to solve these plicated 。Section 4 Exercise 3 如果一個(gè)電路有兩個(gè)或多個(gè)獨(dú)立源，求出具體變量值（電流或電壓）的一種方法是使用節(jié)點(diǎn)分析法或網(wǎng)孔分析法。只有當(dāng)需要強(qiáng)調(diào)元件性質(zhì)的時(shí)候才使用更長(zhǎng)的形式稱呼它。（動(dòng)名詞作表語(yǔ)）When an electric current flow through a wire it meets some ，它會(huì)遇到某種阻力。電容的測(cè)量單位是法拉。2)As illustrated in , there is a feedback element in the closedloop in , there is a feedback element in the closedloop ，這個(gè)閉環(huán)系統(tǒng)中有一個(gè)反饋元件。2)Instrument transformers are installed on the highvoltage 。靜止土壓力是土體施加給不屈服豎直擋土表面的水平壓力。脆性破壞的危險(xiǎn)可以由選擇適合溫度下延性的鋼材類型來降低，或者通過由減小應(yīng)力集中和幾何約束的觀點(diǎn)來設(shè)計(jì)節(jié)點(diǎn)。顯著影響疲勞強(qiáng)度的因素有荷載循環(huán)次數(shù)，荷載循環(huán)中的應(yīng)力幅以及局部應(yīng)力集中的大小。該線彈性特性的限制，通常近似屈服應(yīng)力約200000MPA，以及相應(yīng)的范圍內(nèi)。however, bined with shoulderwidth reductions, substandard sight distance, and other features, lanes may not provide the same safe 。客戶端不需要安裝軟件，只要有IE就可以運(yùn)行，故它在遠(yuǎn)程教育的考試系統(tǒng)中具有重要意義。根據(jù)我校機(jī)房軟硬件條件及Ｃ語(yǔ)言智能考試系統(tǒng)自身的需要，選擇C/S結(jié)構(gòu)進(jìn)行系統(tǒng)設(shè)計(jì)。Converting shoulder to travel lanes for additional capacity through a short bottleneck section has been shown to significantly reduce congestionrelated accidents on some shoulders for several kilometers, however, has not had the same ，在短程的瓶頸路段為了額外的通行能力，將路肩轉(zhuǎn)變成行車道能顯著減少由道路擁擠導(dǎo)致的交通事故。屈服應(yīng)力或許是結(jié)構(gòu)鋼的最重要的強(qiáng)度特性，它隨著鋼材化學(xué) 不同發(fā)生顯著的變化，最重要的成分是碳和錳，兩者都會(huì)引起屈服應(yīng)力的提高。壓力聚集者，應(yīng)避免。當(dāng)然，設(shè)計(jì)者還必須適當(dāng)考慮特種鋼，制造技術(shù)，檢測(cè)和修正程序的額外費(fèi)用。土最重要的性質(zhì)看來是密度、砂土的內(nèi)摩擦角、黏性土的黏聚力和超固結(jié)比。5)Electrical energy can be stored in two metal plates separated by an insulation a device is called a capacitor, and its ability to store electrical energy is termed is measured in ，這樣的裝置被稱為電容器，它儲(chǔ)存電能的能力就被稱為電容。2)The reluctance motor operates synchronously at a speed which is determined by the supply frequency and the number of poles for which the stator is ，該速率是由電源頻率和定子繞制的級(jí)數(shù)決定的。 illustrated in , the aggregated load represented at a transmission substation(bus A)usually includes, in addition to the connected load devices, the effects of substation stepdown transformers…，在輸電變電站（母線A）所給出的集合負(fù)荷，除了所連接的負(fù)荷設(shè)備以外，通常還包括變電站降壓變壓器的影響……。（表語(yǔ)從句）You should determine which of the following functions is 。另一種方法是求出每個(gè)獨(dú)立源對(duì)變量的作用然后把它們進(jìn)行疊加。我們通常應(yīng)當(dāng)把線性電阻器僅僅稱為電阻器。（動(dòng)名詞作介賓）Mechanization is using machines i