【正文】 t otherwise be clearly ，告訴駕駛員該車道限速，以及傳達(dá)某些規(guī)則和警告，否則，它們不會(huì)被駕駛員清楚的明白。第三篇：專業(yè)英語翻譯樁筏基礎(chǔ)的簡(jiǎn)化設(shè)計(jì)方法摘要：在筏板基礎(chǔ)本身并不能滿足設(shè)計(jì)要求情況下，可通過在筏板下增加樁來提高其承載力。第四篇：專業(yè)英語翻譯 Steel Behaviour土木0704喬薈07231104靜載下的力學(xué)性能 。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。硬化也可以提高屈服應(yīng)力，拉伸的速率影響屈服應(yīng)力，高拉伸速率會(huì)提高前期屈服應(yīng)力。由于成分組成，熱處理方法，壓制次數(shù)，板厚和試驗(yàn)速率的小的變化，在這些試驗(yàn)結(jié)果中有種顯著的分布，這種分布近似服從正態(tài)分布曲線。重復(fù)荷載下的疲勞破壞結(jié)構(gòu)鋼經(jīng)過多次的循環(huán)交變荷載后可能在低水平拉應(yīng)力條件下發(fā)生破壞。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。沖擊荷載下的脆性破壞 結(jié)構(gòu)鋼不總表現(xiàn)出可塑的特性，在一些情況下可能發(fā)生突然破壞，即使名義拉應(yīng)力很低。只要有足夠的應(yīng)變內(nèi)能，這種裂縫是自擴(kuò)展的并且將延伸至被擴(kuò)展路徑中的延性元件破裂。不僅會(huì)增加局部應(yīng)力而且有可能成為裂紋擴(kuò)展區(qū)。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。216。結(jié)構(gòu)內(nèi)力和彎矩應(yīng)該由設(shè)計(jì)土壓力和水壓力確定。216。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。假定該墻體采用通常的施工方法進(jìn)行回填，并且能夠產(chǎn)生一小的轉(zhuǎn)動(dòng)（）引發(fā)回填土的內(nèi)摩擦。如果考慮進(jìn)關(guān)于實(shí)際坡度的條件的不確定性，將擋土墻簡(jiǎn)化為墻背垂直填土面水平的情況進(jìn)行計(jì)算，也是足夠精確的。浸沒土的壓力可由式()給出，只不過式中采用的材料容重會(huì)由于水的浮力和浸沒條件下的內(nèi)摩擦系數(shù)而降低；除此之外，也必須包括完全的靜水壓力。3)Electric power is generated in power generating stations or 。1)The signal should be filtered before it is signal should be filtered before being ，應(yīng)先對(duì)其進(jìn)行濾波。5)Conducting electricity means the flow of electrons through an 。1）The capacity of individual generators is larger and larger so that the increasing demand of electric power is capacity of individual generators is larger and larger to satisfy the increasing demand of electric ，目的就是滿足不斷增長(zhǎng)的用電需求。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 。1)All radiant energies have wavelike characteristics, which are analogous to those of waves moving through radiant energies have wavelike characteristics analogous to those of waves moving through ，與水中移動(dòng)的波的特征相似。 definite capability can be specified for a line of a given voltage, however, because capability is dependent on the thermal limits of the conductor, allowable voltage drop, reliability, and requirements for maintaining synchronism between the machines of the system, which is known as ，無法為給定電壓等級(jí)的線路指定確切的容量，這是因?yàn)槿萘咳Q于導(dǎo)線的發(fā)熱極限、允許的電壓降落、可靠性和維持系統(tǒng)中的發(fā)電機(jī)同步的要求（這被認(rèn)為是穩(wěn)定性）。 of the three phases can be restored by exchanging the positions of the conductors at regular intervals along the line so that each conductor occupies the original position of every other conductor over an equal distance, as shown in ，沿線路方向每隔一定間隔就交換導(dǎo)線位置，使每根導(dǎo)線都能占據(jù)具有相同輸電距離的其他各導(dǎo)線的初始位置，以重建三相平衡。 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 。 loads absorb electric energy from the power system and converts it into energy of other forms, which may be heat energy to heat water or to melt irons, or mechanical energy to drive a machine, ，并將其轉(zhuǎn)換為其他形式的能量，可能是燒水或溶化鋼鐵的熱能，或者是驅(qū)動(dòng)機(jī)器的機(jī)械能等。 instance, in the United States, water power accounts for less than 20% of the total and that percentage will drop because most of the available sources of water power have been ，在美國(guó)，水電在全部電力中所占的比例不到20%，并且，因?yàn)榇蠖鄶?shù)可用的水電資源已被開發(fā)，該百分?jǐn)?shù)還會(huì)下降。（現(xiàn)在分詞短語作狀語）Doing experiment is of great help to 。（狀語從句）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。（表語從句）The places where small puters can be used appear 。（定語從句）Now we can determine where the slope is 。（同位語從句）Section 2 Exercise 3Section 3 Exercise3 必須強(qiáng)調(diào)的是線性電阻器是一個(gè)理想的電路元件；它是物理元件的數(shù)學(xué)模型。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。疊加法原理表明線性電路某個(gè)元件兩端的電壓（或流過元件的電流）等于每個(gè)獨(dú)立源單獨(dú)作用時(shí)該元件兩端的電壓（或流過元件的電流）的代數(shù)和。Section 6 Exercise 3