1、albert einstein, who developed the theory of relativity, arrived at this theory through mathematics.
2、we can heat the steel again to a temperature below the critical temperature, then cool it slowly.
3、we should point out, however, that all electrical systems are not conservative.
4、public opinion is demanding more and more urgently that something must be done about noise.
5、the ce circuit is widely favored since it can be designed for good voltage and current gains.
6、dust has a very important part to play in the work of nature.
7、a magnet in a magnetic field will be subject to a force.
8、this paper gives an introduction to a new method for radar target recognition.
9、the elements in group 1 are called alkali metals.
10、the proof of the theorem is not difficult.
第三周 连接词/代词/形容词的译法
第三周 单元作业
1、the acceleration due to gravity is essentially constant.
2、it must be noted that the current increases proportional to every decrease of resistance.
3、this current is extremely small and can be neglected.
4、blow on the mirror and it will soon be covered with little drops of water.
5、accuracy is expressed as absolute error or relative error.
6、there are three main laws of mechanics or three laws of newton.
7、due to its importance, this device will be dealt with in detail.
8、many scientists have been devoted to the development and application of computers since their invention.
9、in this case, overflow（溢出） can occur, and its detection is discussed later in this section.
10、our analysis of the various gate families（门电路系列）will be made in the next chapter.
第四周 介词的译法
第四周 单元作业
1、a large number of radioactive isotopes among the heavy elements are of three series.
2、in our discussion of differential equations, we shall restrict our attention to equations of the first degree.
3、hardware designers may be able to cut costs through loading the digital signal processing with multiple tasks.
4、efficiencies of as much as 99% are achieved in large transformers.
5、it is necessary to prevent induction motors against overload and undervoltage.
6、engineers may find the book of great value.
7、this is a sufficient and necessary condition for the solution of the equation.
8、this circuit is similar in operation to the circuit of fig.1-10.
9、unlike an ipad or a phone, the lights come from in front of the kindle’s e-ink display rather than shining through it directly into your eyes.
10、the cost of launching a satellite is comparable with the value of its weight in gold.
第五周 数词/名词的译法
第五周 单元作业
1、by varying vbe only a few hundredths of a volt, the base(基极) current can be changed significantly.
2、the area of a is three times larger than that of b.
3、from 1970 to 1974, the production of transistor radios was increased by a factor of six.
4、the output of this factory now is 5 times what it was ten years ago.
5、the capacitance will decrease by 750 parts per million per each degree rise in temperature.
6、note that the words “velocity” and “speed” require extra explanation.
7、this yields an increase in resistivity, in agreement with observations.
8、light from the sun is a mixture of light of many different colors.
9、a familiarity with such reduction techniques is desirable for digital designers.
10、the lack of resistance in very cold metals may become useful in electronic computers.
第六周 不定式固定句型/不定式结构/现在分词/过去分词的译法
第六周 单元作业
1、if the planet has an atmosphere like ours, it would need about 50 percent cloud cover to stay cool enough for liquid water to exist on the surface.
2、when multiple blocks were necessary, it was possible to find contiguous（相邻的） data in non-contiguous block（非相邻块）.
3、it requires a systematic approach to change behaviors or create new ones that have not previously existed.
4、comparison of english intonation with chinese intonation may help us know the sentence structure well so as for a listener to get message well in communication.
5、it is desired to allow these agents (代理) to communicate (send/receive data to/from each other) with each other.
6、computers now use the major share of the electronics components being manufactured.
7、having obtained the initial conditions, we go on to solve the network differential equations.
8、this current changing, the magnetic field will change as well.
9、taking the laplace transform of both sides of eq.(2.9), the following equation is obtained.
10、equation (5) may be solved using the laplace transformation.
第七周 句子成分/比较结构/被动结构的译法
第七周 单元作业
1、each address in memory is assigned a number.
2、the process by which energy is changed from one form into another is called the transformation of energy.
3、salt is known to have a very strong corroding effect on metals.
4、radars have been used extensively for mapping geological structures and features.
5、x-rays have a shorter wavelength than light rays.
6、the new cpu features high speed and low voltage.
7、some conductors have resistances which depend on the currents flowing through them.
8、the impedance of a parallel lc circuit varies opposite to that of the series lc circuit.
9、a hybrid or fuel-efficient car emits less carbon dioxide than an suv（运动型多功能车）.
10、the outstanding voice quality of this brand makes phone calls clearer than ever before.
第八周 主语/同位语从句的译法
第八周 单元作业
1、it is of interest that every function can be approximated by simple functions.
2、it is the basic characteristic of algebra that letters are used to represent numbers.
3、what we need is to make large-scale mechanized food production less carbon-intensive and more sustainable.
4、you must research what is available in the market and provide comparisons of pricing, functions, supportability, training, and ease of use.
5、the idea that electricity cannot be created or destroyed may seem to imply that electrons and protons cannot be created or destroyed.
6、the fact that the acceleration is proportional to the applied force is familiar to all of us.
7、the observed forces between protons and electrons then lead to the familiar statement that like charges repel one another, unlike charges attract one another.
8、these mechanisms all illustrate a fundamental fact that the natural direction of heat flow is from hot bodies to cold ones.
9、among the most noteworthy achievements of the 19th century science was the realization that light consists of electromagnetic waves.
10、one important technical advance was the discovery that a high-frequency bias could reduce distortion.
第九周 状语/定语从句的译法
第九周 单元作业
1、one of the great advantages of the alternating current is the ease and efficiency with which power at low voltage may be transformed into an almost similar amount of power at high voltage, and vice versa.
2、in order to keep the engine speed within the limits which it was designed for, a device which is known as a governor is incorporated in the engine.
3、computer languages may range from detailed low level close to that immediately understood by the particular computer, to the sophisticated high level which can be rendered automatically acceptable to a wide range of computer.
4、the great difficulty of introducing radically new computer architectures which requires customers to rewrite most of their software excluded the possibility for these techniques to find their way to the commercial marketplace.
5、with the introduction of the electronic computer, there is not a single complicated problem but can be solved in a few hours.
6、as is shown in the review of the last forty years, a steady stream of improvements in the automobile’s most important areas is due to the technical advances.
7、at present, microwave technology, which includes microwave heating and microwave survey, is being widely applied to industrial and agricultural production.
8、where a vessel has vertical sides, the pressure on the bottom is equal to the height of the liquid times its density.
9、substances have no tendency to expand unless they are heated.
10、heat is developed whenever friction forces are present.
第十周 虚拟语气/强调手段/成分省略/分隔修饰的译法
第十周 单元作业
1、it is desired that the switch produce only one clock pulse each time it is closed.
2、it is this impedance with which we are concerned.
3、this value is less than or equal to unity.
4、if we were to place a body in the gravitational field, it would experience a force along whatever line of force it was on.
5、it was not clear at that time why it was that this phenomenon happened in a semiconductor.
6、water waves travel in expanding circles, and air waves in expanding spheres.
7、the speed with which sound waves move through a medium does depend on the properties of the medium.
8、each of the two wires carrying currents has a magnetic field, as if it were a magnet.
9、it is necessary to find the current through and the voltage across the capacitor.
10、it is not difficult to obtain a relationship among d, v, c, and f that does not directly involve the time t.
第十一周 长难句的译法
第十一周 单元作业
1、when the first boeing 747 rolled off production line on september 30, 1968, it was immediately nicknamed the jumbo and raised fears that its enormous size would overwhelm airports, overload passenger terminals and baggage facilities, overrun customs and immigration units, and overstress taxiways and runways.
2、the concept that viruses can cause diseases with long incubation periods, with no apparent proliferation of the virus, with an episodic or chronic nature measured in terms of years, with progression of disease despite antibody production, or the failure to induce antibody production, or diseases with varied pathologic reactions, is not new.
3、astronomers and scientists think that a black hole is a region of space into which matter has fallen and from which nothing can escape--not even light.
4、the technical possibility could well exist, therefore, of nationwide integrated transmission networks of high capacity, controlled by computers, inter-connected globally by satellite and submarine cable, providing speedy and reliable communications throughout the world.
5、aluminum, though much less strong than steel, can be given a strength approaching that of steel when it is alloyed with small quantities of copper, manganese and magnesium, and subjected to heat treatment.
6、china is to invite international tenders before the end of this year for four new nuclear power reactors as part of a huge nuclear expansion program designed to reduce dependence on imported fuel and plug growing gaps in electricity generating capacity.
7、the purpose of this book is to place at the disposal of the design engineer who is facing these challenges, a survey of the experience gained from the many and diverse applications of aerostatic bearings which have already been successfully accomplished.
8、ingredients in soaps and cleansers intended to fight bacteria could promote the growth of drug-resistant "superbugs" that might otherwise be kept in check with little more than a vigorous scrub.
9、challenges being addressed by modern environmental biotechnology range from the search for microbes that will reduce acid rain by removing sulfur from power plant coal to the biological production of biodegradable plastics.
10、the reason for this is that the pulse train spectrum is made up of a fundamental frequency that is equal to the sampling rate and its harmonics, all of which have an upper and lower sideband produced by the modulation process.