例2 汉语原句 本文首先讨论了这种信号的特点，然后讨论了它 的产生。 英语错句 This paper first discusses the features of this signal, and then its generation is described. 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 description of its generation.
例 18 汉语原句 在这种情况下，输入不会下降，输出也不会下 降。 英语错句 In this case, the input does not fall; the output does not fall, too. 改正后的句子 In this case, the input does not fall, neither （或nor）does the output.
例 25 汉语原句 在这个实验室中，这台仪器比其他的灵敏。 英 语 错 句 In this laboratory, this instrument is more sensitive than any one. 改正后的句子 In this laboratory, this instrument is more sensitive than any other one（或 any one else）.
例8 汉语原句 共有M个多边形，其顶点数均为N。 英语错句 There are M polygons altogether, whose vertex number is all N. 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 11 汉语原句 最后提出了实现这种方法应注意的一些问题和解 决方法。 英语错句 At last, we provided some problems that could be noted in implementing this method and solving ways. 改正后的句子 Finally, some problems that deserve to be noted in implementing this method and their solution are presented.
例 14 汉语原句 已知常数K，就能算出C来。 英语错句 Giving the constant K, C can be calculated. 改正后的句子 Given （或 knowing）the constant K, one （或we）can calculate C.（或~, it is possible to calculate C.）
例 19 汉语原句 这个问题有待解决。 英语错句 This problem waits to solve. 改正后的句子 This problem remains to be solved.
例 20 汉语原句 这个电荷与存在的其它电荷相互作用。 英语错句 This charge interacts wቤተ መጻሕፍቲ ባይዱth other present charge. 改正后的句子 This charge interacts with other charges present.
例 10 汉语原句 对A的识别和对B的确定是使用这一方法的先决条 件。 英语错句 The recognition of A and determining B are the prerequisite for the use of this method. 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 13 汉语原句 并讨论了这一方法与扫描法相比的优点。 英语错句 As compared with the scanning method, the advantages of this method has discussed also. 改正后的句子 The advantages of this method over the scanning method have also been discussed.
例 16 汉语原句 锡的熔点没有铅的高。 英语错句 Tin does not have a melting point as high as lead does. 改正后的句子 Tin does not have as high a melting point as lead does.
例 17 汉语原句 这台转动的机器将在一二分钟后自动停下来。 英语错句 This running machine will stop of itself after one minute or two. 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3 汉语原句 这台设备的特点是操作简便、价格低廉。 英语错句 The features of this device are easy in operation and low in price. 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9 汉语原句 这个方法需要精确的定位，这就使得它的实现具 有一定的难度。 英语错句 This method requires accurate location and this makes its realization have a little difficulty. 改 正 后 的 句 子 This method requires accurate location, thus making（ 或 which makes）its realization somewhat difficult.
例7 汉语原句 对构件的承载能力做了具体分析。 英语错句 The detailed analysis of the ability of bearing loads of the components is given. 改正后的句子 A detailed（或 concrete）analysis of the ability of the component to carry loads is made.
例6 汉语原句 本文对提高打印速度和印字质量提供了一种计算 机辅助设计手段。 英 语 错 句 This paper provided a kind of means of computer aid design for progressing the printing speed and the printing quality. 改 正 后 的 句 子 This paper presents a CAD method for increasing the printing speed and improving the printing quality.
例5 汉语原句 只有通过对该系统性能的研究，我们才能了解它 的优点。 英语错句 Only through studied the performance of the system, its advantages can be understood. 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.
第二十八章 科技英语写作中的典型错误
例1 汉语原句 这种新方法具有效率高、容易调整的优点。 英语错句 This kind of new method have the advantage of high efficiency, easy adjustment. 改正后的句子 This new method has the advantages of high efficiency and easy adjustment.
例 23 汉语原句 这个电压几乎是测不出的。 英语错句 This voltage almost can not be measured. 改正后的句子 This voltage can hardly be measured.
例 24 汉语原句 铜的导电率比铁高。 英语错句 The conductivity of copper is higher than iron. 改正后的句子 The conductivity of copper is higher than that of iron.
例 12 汉语原句 由于缺陷的存在，构件的疲劳寿命将大大降低。 英语错句 Because of the existing of the defect, the fatigue life of the components will decrease very much. 改正后的句子 Because of（或Due to）the existence of the defect, the fatigue life of the components will be decreased （或shortened）greatly.