常用

The catalysts used are inorganic acids, organic acids and its acyl halides, etc.

所用催化剂为常用的无机酸、常用的有机酸及其酰卤等。

Based on＂The Data Bank System of the Standard Phonetic Features of Different Level in PSC＂, the thesis analyzes the variants of affricative versus fricative in syllables: z, c ,s - zh, ch, sh - j, q, x which are obscure in physiology; analyzes timbre phonetic variants aroused from the different match of seven main simple vowels and initials as well as the tonal patterns with the help of drawing the synthetic spectrograph and pitch spectrograph. So that the data can be offered to describe phonemes in 396 syllables in common use according to the acoustic analysis.

本文在"普通话水平测试各等级标准语言特征数据库系统"的支持下，通过制作396个常用音节语音样本的音高图和综合语图，考察在普通话教学和测试中从生理角度难以准确把握的一组仅有细微差异的塞擦音和擦音声母z、c、s-zh、ch、sh-j、q、x在音节拼合中的变体；考察7个主要单元音在与不同声母拼合构成的音节中音质上的变化模式；考察四个声调的变化形式，力图从语音声学物理特征角度的分析中为普通话常用音节音位语音规范度的描写提供客观的数据说明。

This article carries on the comparison between several kinds of airproof material which are commonly used and describe experimental shaping of the concrete product, it provides factories and the models of the part commonly used products.

本文对常用的几种密封材料进行了比较，并就具体产品的试验选型进行了描述，提供了部分常用产品的厂家和型号。

Comparing the advantages and disadvantages between computer drafting and manual drafting, as well as the drafting of some common figures of curre and curred surface are by three common diagrams of space analytic geometry in advanced mathematics for the purpose of more accurate and perfect drafting.

用高等数学教科书中空间解析几何3个常用图例对计算机与手工绘图的优劣进行比较，并论述了如何用计算机绘制空间解析几何中一些常用曲面及曲线图形，从而使图形更精确、完善的问题。

The investigation of the grammatical function and grammatical meaning of the aspectual auxiliaries begins with an investigation into the distribution of each aspectual auxiliary in the corpus of Dingji dialect common verbs and adjectives and looks at their ability to collocate with 1834 verbs and 592 adjectives and determines the restrictive function of different classes of verbs and adjectives on the aspectual auxiliaries.

本文考察体貌助词的语法功能和语法意义，首先考察每一个体貌助词在丁集话常用动词词库和丁集话常用形容词词库里的分布情况，看它跟1834个动词、592个形容词的搭配能力，并从中找出动词、形容词的不同类别对体貌助词的制约作用。

In the context of signal processing it is often referred to as the unit impulse function. Note that the Dirac delta is not strictly a function. While for many purposes it can be manipulated as such, formally it can be defined as a distribution that is also a measure .

在物理上，通常用于代表脉冲函数，或者呈点分布的物理量，例如质点、点电荷等；另外，delta函数常用于表示对物理量在某点的抽样，这一点不仅在数学物理方法这样的理论学科中常用，在实际的工程通信中也很常用，这时delta函数被用作采样函数。

He holds that it is quite necessary to distinguish between ancient Chinese exegetics and Chinese lexical history, and that the study of the evolution of basic word stock should be regarded as the chief branch of Chinese historical lexicology, as changes in basic vocabulary is as much important to a language as those in phonological system and qrammatical structure.

文章认为：汉语史研究中把训诂学与词汇史混为一谈的现状亟需改变；汉语词汇史应以探讨常用词的演变更替为中心内容；常用词的变化对词汇系统乃至整个语言系统而言都是一种带根本性的深层次变化，具有同音韵系统、语法结构的改变同等重要的意义；常用词演变的研究与古籍整理和大型语文辞书的编纂也有着密切的关系。

With the help of software SPSS, applying x~2-Chi-Square test on the collected data, this study comes up with the following major findings: 1 When criticizing, males" preferred strategies are bald-on-record strategy, and females" negative politeness strategy as head act. Both males and females prefer mitigator as supporting move.

本研究取得了如下发现： 1批评时，男性最常用公开礼貌策略，女性最常用消极礼貌策略作为话头语，男女性都常用缓和语作为支持话步。

On clinical transfuses blood the technology to divide into the blood transfusion and the ingredient blood transfusion. And the ingredient blood transfusion divides into freezes blood plasma, the concentration red blood cell, the concentration white blood cell freshly, concentration blood platelet. The blood transfusion frequently asked questions have allergic reaction and the hematolysis response.

临床输血不局限于补充血容量一种，它具体包括：①补充血容量，常用于各种原因引起的急性贫血，可恢复循环容量，迅速提高血压；②增加血红蛋白，纠正贫血，常用于血液系统疾病而引起的严重贫血：③补充抗体，增加机体抵抗力，常用于败血症及严重感染的病员；④增加蛋白质，纠正低蛋白血症，改善全身营养状况；⑤输入新鲜血，可补充各种凝血因子，改善凝血使用，有助于贫血；⑥促进骨髓系统和网状内皮系统功能。

Irmer Mongolian semi-fine wool wethers fitted withpermanent cannules at the rumen proximal duodenum and terminal ileam were used todetermine dietny postruminal starch digestibility in the small intestine by SIF technique.

常用饲料代谢葡萄糖值本章计算出常用饲料中过瘤胃淀粉提供的葡萄糖值与韩飞Q）硕士论文中计算出的常用饲料中瘤胃发酵产生的丙酸转化形成的葡萄糖值合。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。