1、科技英语写作中的典型错误 例 1 改正后的句子 This new method has the advantages of high efficiency and easy adjustment. 例 2 改正后的句子 This paper first discusses the features of this signal, and then describes its generation. 不过本句最好采用下列句型： This paper begins with the discussion on the features of this signal, followed by the
2、 description of its generation. 例 3 改正后的句子 The features of this device are easy operation and low price. 不过比较好的一个句型是： This device is characterized by（ its） easy operation and low price. 例 4 改正后的句子 Our method is different from those presented（或 described） in the papers available（或 published before） o
3、n （或 discussing） the same problem. 例 5 改正后的句子 Only through the study of the performance of the system, can one（或 we）understand（或 appreciate） its advantages. 例 6 改正后的句子 This paper presents a CAD method for increasing the printing speed and improving the printing quality. 例 7 改正后的句子 A detailed（或 concr
4、ete） analysis of the ability of the component to carry loads is made. 例 8 改正后的句子 There are M polygons altogether, each of which has N vertexes. 虽然从语法角度来看，定语从句可以译成“ the number of vertexes of each of which is N.” 但这种表示法不好，显得很繁琐。 例 9 改正后的句子 This method requires accurate location, thus making（或 which ma
5、kes） its realization somewhat difficult. 例 10 改正后的句子 The recognition of A and the determination of B are the prerequisites for the use of this method. 例 11 改正后的句子 Finally, some problems that deserve to be noted in implementing this method and their solution are presented. 例 12 改正后的句子 Because of（或 Du
6、e to） the existence of the defect, the fatigue life of the components will be decreased（或 shortened） greatly. 例 13 改正后的句子 The advantages of this method over the scanning method have also been discussed. 例 14 改正后的句子 Given （或 knowing） the constant K, one（或 we） can calculate C.（或 , it is possible to ca
7、lculate C.） 例 15 改正后的句子 This newly designed instrument is good in quality. 或： This newly designed instrument is of good quality. 例 16 改正后的句子 Tin does not have as high a melting point as lead does. 例 17 改正后的句子 This running machine will stop of itself in one or two minutes（或 in a minute or two） . 例 18
8、 改正后的句子 In this case, the input does not fall, neither（或 nor） does the output. 例 19 改正后的句子 This problem remains to be solved. 例 20 改正后的句子 This charge interacts with other charges present. 例 21 改正后的句子 The existing textbooks（或 The textbooks available） have made no mention of this point. 例 22 改正后的句子 No
9、 values of x（或 None of the values of x） can satisfy this equation. 例 23 改正后的句子 This voltage can hardly be measured. 例 24 改正后的句子 The conductivity of copper is higher than that of iron. 例 25 改正后的句子 In this laboratory, this instrument is more sensitive than any other one（或 any one else） . 例 26 改正后的句子 T
10、he preface to this book is well written. 例 27 改正后的句子 To send out radio waves, it is necessary to generate high-frequency oscillations. 例 28 改正后的句子 Other types of electric motor are also widely used in industry. 例 29 改正后的句子 No student（或 None of the students） can solve this special kind of equation. 例
11、 30 改正后的句子 It is necessary to know whether this material can stand so large a force or not. 例 31 改正后的句子 Voltage is measured in volts. 例 32 改正后的句子 These two engineers are busy with the design of或 busy（ in） designing a new type of software. 例 33 改正后的句子 This material is very difficult to machine. 例 34
12、改正后的句子 Substituting Eq. (7) in Eq. (8), we obtain a=b. 或 Substituting of Eq. (7) in Eq. (8) yields a=b. 例 35 改正后的句子 Sound travels much less fast than light（ does） . 例 36 改正后的句子 This equipment has a few advantages all its own. 例 37 改正后的 句子 We have defined mass units with which to measure m. 例 38 改正后的
13、句子 The results obtained agree（或 are in agreement） with the experimental values. 例 39 改正后的句子 The numerical computation of and the experiment on the steady-state flow and temperature fields in three dimensional multi-channels are discussed. 例 40 改正后的句子 An algorithm language（ which we call the Algorith
14、m Language for the Graph Theory） for describing the solution of some engineering problems in the graph theory is defined. 例 41 改正后的句子 It is easy for us to determine the weight of the body.（或 We can determine the weight of the body easily.） 例 42 改正后的句子 Friction makes the work put into a machine great
15、er than the useful work accomplished by it. 例 43 改正后的句子 On being heated, the air in the bottle will expand. 例 44 改正后的句子 Many of the principles of a receiver also apply to a transmitter. 例 45 改正后的句子 The hotter the body, the more energy it radiates. 例 46 改正后的句子 Semiconductors will be discussed in Chap
16、ter 2. 例 47 改正后的句子 The ability of some elements to give off radiations is referred to as radioactivity. 例 48 改正后的句子 Various satellites are frequently launched to obtain information about space. 例 49 改正后的句子 Not only do temperature and light affect the conductivity, but the addition of impurities to s
17、emiconductors will also make it change greatly. 例 50 改正后的句子 Direct current flows always in one direction. 例 51 改正后的句子 An 8-volt battery must be sued here. 例 52 改正后的句子 The results indicate that these two methods are consistent in essence, with the exception that they have their own specific applicati
18、on conditions. 例 53 改正后的句子 The price of this instrument is high. 例 54 改正后的句子 This device occupies to much space（或 room） . 例 55 改正后的句子 A robot is a special kind of electronic device. 例 56 改正后的句子 They have been designing a new type of computer these six months. 例 57 改正后的句子 The improved algorithm has a
19、n advantage over（或 is superior to） the original one in the accuracy of the estimation of the displacement vectors. 例 58 改正后的句子 On the basis of the fact that this system has the property of a permanent magnet, this paper presents a simpler method of calculation for the magnetic circuit. 例 59 改正后的句子 B
20、y analyzing the five basic types of linkage and the constraints of kinematic pairs, this paper has inferred the topological transformation which expressed by the vertex-edge incidence matrix of the topological graph. 例 60 改正后的句子 In this case the reverse diode current is negligible. 例 61 改正后的句子 It do
21、es not appear that this value satisfies the equation. 例 62 改正后的句子 In this case it is necessary to use as much energy of signals as possible. 例 63 改正后的句子 The variation of the filters tooth number has a greater effect on the performance of its passband than the variation of its dimensions. 例 64 改正后的句子
22、 On the basis of the above analysis of the decomposition of the polynomial, a novel configuration results. 例 65 改正后的句子 This paper discusses the design guiding for and the structure of the system, with a deep inquiry into model testing. 例 66 改正后的句子 Finally, an analysis of packet loss probability is m
23、ade by computer simulation. 例 67 改正后的句子 A comparison with the MEI method shows that the third postulate in the MEI method is questionable（或 is open to question） . 例 68 改正后的句子 The author is engaged in the teaching of and the research on computer vision, image processing and recognition. 例 69 改正后的句子 F
24、inally, this paper presents several problems which remain to be solved. 例 70 改正后的句子 If either of the following two conditions holds, then we have a new expression. 例 71 改正后的句子 Especially in the field of radio transmission, the device has many advantages. 例 72 改正后的句子 What this paper described is of g
25、reat interest to mechanical engineers. 例 73 改正后的句子 The simulation results show that both the schemes are easy to implement. 例 74 改正后的句子 Also, a quantitative expression for the effect of all these factors on the performance of the system is derived, on the basis of which an improved system is present
26、ed. 例 75 改正后的句子 Measurement are generally of three groups: those made of capacitance, those made of current and those made of voltage. 例 76 改正后的句子 The model successfully explains the experimental curves of the variation of the output torque with the load.（也可以 表示为 curves of the output torque against
27、(或 versus) the load） 例 77 改正后的句子 This kind of radar can give off（或 realize） isotropic radiation by employing（或 use of） multiple frequencies and multiple antennas. 例 78 改正后的句子 In running this VC program, all the user needs to do is（ to） input the graph model of his or her applied problem so as to get
28、 its solution displayed on the computer screen.（注意：在句子中的 his之后加了 or her，主要是因为 the user 可能是男士，也可能是女士。这种表达方法在美国人写的文章或书籍中常见，这是对妇女的一种尊重。） 例 79 改正后的句子 In this case, we consider joining x1 and x2. 例 80 改正后的句子 This paper presents a new approach to realizing multi-point communication with the MC145442 one-c
29、hip modem manufactured by MOTOROLA CO. 例 81 改正后的句子 It takes only 5 iterations to obtain the result by using this algorithm, which are far fewer than 250 iterations required to obtain the same result by using the traditional algorithm. 例 82 改正后的句子 The features of this new algorithm are simplicity and
30、 objectivity. 例 83 改正后的句子 It deserves to be further studied which nonlinear function should be selected. 例 84 改正后的句子 By use of the sensor of this kind, the high temperature measurement has made, with the precision of higher than 0.1%. 例 85 改正后的句子 There are also several other factors, such as policie
31、s, unpredictable natural disasters, and the economic benefits of the factory involved, which should be carefully considered. 例 86 改正后的句子 This property is of prime importance. 例 87 改正后的句子 This definition is of great significance. 例 88 改正后的句子 The procedure for producing random number is quite complica
32、ted though there are many ways to produce them. 例 89 改正后的句子 This new method has a few advantages over the existing ones（或 over those available） . 例 90 改正后的句子 This network consists of five parts. 例 91 改正后的句子 The number of times this value occurs in the observations is given in the first column. 例 92
33、改正后的句子 This corresponds to no power being received. 例 93 改正后的句子 For every point, there are only two features available. 例 94 改正后的句子 In the sections which follow, these systems will be（或 are to be） described in detail. 例 95 改正后的句子 Is it possible for us to construct an LFM signal? 例 96 改正后的句子 It shoul
34、d be pointed out that these signals do not differ greatly in magnitude. 例 97 改正后的句子 A single process is enough for us to obtain a satisfactory result. 例 98 改正后的句子 This method imposed few limitations on the kind of engineering drawings. 例 99 改正后的句子 Because of the great difference in characteristic be
35、tween these symbols, they are processed in different ways. 例 100 改正后的句子 For these reasons, it has become desirable for a computer to separate the text from images. 例 101 改正后的句子 By engineering drawing we mean a mechanical drawing, a geographic map, etc. 例 102 改正后的句子 What this report describes is worth reading. 例 103 改正后的句子 Set x1=xk+1, and go to step 2. 例 104 改正后的句子 The algorithm which follows is based on that condition. 例 105 改正后的句子 Variations in r(t) are so small that they can be neglected（或 so small as to be neglected） .
