SCI论文中Methods（方法）部分是一个核心的部分，该部分有点像实验报告中的实验方法部分，但比实验报告肯定撰写更加复杂与规范。
学术性论文的典型特征体现在多个方面，一个主要体现就是对理论或学术方法的描述、逻辑演化方面。论文的方法的逻辑安排的方式很多。每个论文作者都有自己的逻辑展开方式，一般来说通常以下几种模式：
1. 按过程或步骤；
2. 按照时间顺序；
3. 按抽象到具体的顺序；
4. 按具体到抽象的顺序。
写作SCI论文时，采用哪种方式组织methods的结构展开，还要具体看这个methods自己的特点。
当对科研方法进行描述时，不同的研究者可能有不同的方法或者写作风格。然而，在专业研究中，个人自由在某种程度上是有限的，自由发挥不能太过，不然后期改稿就会很麻烦，这方面我深有体会，幸好有达晋的专业编辑帮忙，才省去很多麻烦。一般性的规范写作还是需要的，这是约定俗成的或专业性的规定。特别是一些常用的固定短语：
1.方法（实验）引导短语，如：An experiment was designed to, the main idea of the paper is to design a technique for, the model is created in two main steps namely, etc.
2.列举或分类的短语，如：group, set, class, kind, variety, be numbered among, be included in, be grouped with, exclude, except, include, comprise, contain, take in, excluding excepting, also, in addition, likewise, subdivision, subgroup, subset, similarly, etc.
3.说明和类比的短语，如：for example, for instance, a case in point is, such as, be analogous to, comparable, similar, correspondingly in the same way, by the same token can/could be compared to, to make a comparison, between X and y, to draw an analogy between X and y, similarly, etc.
4.图表标注的短语，如:As shown in Figure 2, As can be seen from the data in Table 1, As described in Table.
5.比较性的短语，如：similar, not unlike, the same, identical, connected with, resembling, difference, distinction, different from, dissimilar, unlike, opposed, on the contrary, resemble, appear/seem like, put one in mind of, correspond to, compare to, correspondingly, in the same way, likewise, differ from, distinguish, make a distinction between, conversely, in contrast, on the other hand, bear no resemblance to, similarity (resemblance, correspondence ), etc.
6.描述图表中对象相对位置的短语，如：above, below, at the front, at the back, front, back, rear, upside down, inverted, inside, within, outside, to the right, to the left, on the right hand side, on the left hand side, in the middle, near, close to apart, away, some distance from, upper, over, underneath, bottom of, beside, alongside on one side, on the other side, shaped like, attached to leading to, supporting fitting into covering, on top of, at the foot/base of, etc.
7.描述发现/系统化观察的短语：to take (a word) to mean, this word means/signifies, the meaning of this word, in another sense, alternatively, distinguishing features, main features, is to be/must be distinguished from, essentially, really, the essence of the word, in the truer real sense of the word, this is, namely, in other words, by..., I do not mean, not to be confused with, etc.
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