常用

However, by is quite commonly used in sentences of the second type, and the usage is grammatically defensible.

但是by 在第二种形式的句子中也常用，而且这种用法在语法上是可行的。

Major findings include:(1) Students tended to follow the writing convention of argumentative essays by simply dividing their compositions into three paragraphs, and the poor connection between the three parts made the compositions incoherent in overall organization;(2) Great number of inappropriately used cohesive devices seriously impeded the cohesion within paragraphs in students" writings;(3) Deficiently assembled thematic progression patterns were identified, which also proved that students" writings were incoherent in meaning.

主要分析结果包括：1。多数学生作文写作段落的形式上与议论文与作规范统一，但文章各部分内在衔接不好，导致作文从整体结构上不连贯。2。学生作文中出现的大量衔接手段错误使得作文令人费解。 3。学生使用了几种议论文中常用的主谓推进模式，但这些模式之间结合不紧密也证明了学生作文在意义上的不连贯。

At first, this thesis briefly introduces the power qualitys concepts, definiens and standards. Then the research scope of this thesis is set, according to the actuality and the trend of the development of PQ detection technologies.

然后，本文介绍了电能质量检测算法中常用的数字信号处理技术，如：傅立叶变换、短时傅立叶变换、小波变换以及人工神经网络技术。

In calculation of definite integral,beginners tend to use three methods of calculation:(1)Leibniz formula,(2)integration by substitution of definite integral,(3)integration by parts of definite integral.

在定积分计算中初学者常用的计算方法有三种：(1)利用牛顿-莱布尼兹公式，(2)定积分的换元积分法，(3)定积分的分部积分法。

Firstly, The general methods of depth estimation as well as those based on defocus images are introduced in this paper.

首先本文介绍了一些计算机视觉中常用的深度估计方法以及基于散焦图像深度估计的各种方法。

In the developed countries, the relationship of energy consumption and temperature is very significant. Many scholars have made a lot of researches on this problem, in which degree-day is one of the most frequently used index.

在发达国家，能源消费与温度的关系非常显著，许多学者对这一问题进行了深入的研究，其中度日是最常用的指标之一。

Summary of Background Data. Halo orthosis is a commonly used, well-tolerated spinal stabilizing deice.

背景介绍：halo架固定是一个常用的并且很好耐受的脊柱稳定设置。

Distributed sensors are the fundamental formation of FBG wavelength division multiplex, which key technology is demultiplex.

分布式传感是光纤光栅波分复用的常用形式，解复用技术是这类传感器的关键。

Chapter3: Introducing the technology of wavelength division multiplex and demultiplex.

第三部分：介绍光纤光栅传感复用技术及常用的解复用技术。

Urea is a common chemical denaturant of proteins.

尿素是常用的蛋白质变性剂，在胶粘剂研究中起着重要的作用。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。