专业英语-英.ppt

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 看来…… It appears that ．．． 可以看出 It can be seen that 已经证明 It has been proved that 显然…… It is evident that 有必要指出 It is necessary to point out that 不难想象 It is not hard to imagine that 可能…， It is possible that 众所周知 It is well known that 据我们所知 To the best of our knowledge/As far as we know/ To our knowledge 重要的是…… Of importance is (are)· 近来引起关注的是…… Of recent concern is (are) 特别值得注意的是…… Particularly noteworthy is that 问题在于…… The case (question) is that 结论是 The conclusion is that 事实是 The fact is that 本文的目的是 The purpose of this paper is 惯用句型: 包含有表语或表语从句的陈述句 计算表明…… Calculations indicated that 经验证明…… Experience has shown that 图2表明了…… Figure 2 illustrates 我以为……，假定 I suppose that． 只能认为…… One can only say that． 结果表明…… Results demonstrate that 有些人认为… Some believe that· 我们认为 We believe that 这意味着 This implies that 实践业已证明…… Practice has shown that 试验证实 Tests have proven that 据说……，一般认为…． People say that 注意：不推荐大家写文章时用太多的复杂长句。 由于专业英语著作具有很强的科学性和技术性，因此要求叙述准确、推理严密，而专业英语的表述对象是客观事物的发展过程、演变规律、影响因素、内在机理等，所有这一切又是处在相互关联、相互制约的矛盾运动之中。 因此专业英语中这样的复杂长句十分常见，成为区别于普通英语的一个显著特点。 Long and complicated sentences One of the ways of further strengthening a solid solution matrix is to obtain a fine distribution of a hard intermetallic compound throughout the structure in order to further restrict deformation mechanisms, large crystals or networks of such compounds must be avoided however since they can cause embrittlement. 进一步强化固溶体基体的途径之一是：在整个组织中获得细密分布的坚硬的金属间化合物，以进一步限制变形机制；但是必须避免粗大晶粒和金属间化合物的网状组织，因为它们会导致脆性。 It is important to remember that the composition of a given grade of steel can be subject to variations within the range of its specification, and such variations in composition, impurity elements and also grain size caused in hot-working process will result in differences in both response to heat treatment and variations in mechanical properties. 重要的是要记注，给定牌号钢的化学成分在其规定范围内可能发生一些变化，这样一些在热加工过程中引起的存在于成分、杂质元素、还有晶 粒大小上