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It also can be used to measure the geometrical tolerance, such as straightness error, roundness error, cylindricity error, parallelism error, perpendicularity error, angularity error, coaxiality error, symmetry error and circular run-out error etc.

该仪器集机、光、电于一体，采用了新的光路系统和近些年最新的测量方法及数据处理方法，具有功能多、体积小、重量轻、操作方便、非接触测量、测量精度高等特点。

In this paper, some characteristic functions of the multifunctional single-flank mesh gear tester of model CD320G-D which is applying gear integrated error measuring technique, computer technique, error separation technique, fault diagnosis technique and error prediction technique, including automatic searching of profile error start point, determination of profile barrelling, separation of profile form error and profile slope error, measurement of profile error with evaluation range subtracting tooth tip, measurement of tooth topograph and statistical analysis of gear manufacture error, are presented.

阐述了综合应用齿轮整体误差测量技术、计算机技术、误差分离技术、故障诊断技术和误差预报技术的多功能 CD320G-D 型单啮仪的一些具有特色的功能。这些功能包括齿形误差起测点的自动找定、凸形齿凸形量的测定及其形状误差与倾斜误差的分离、取值范围扣除齿顶部的齿形误差的测量、齿面轮廓度误差的测量以及齿轮加工误差的大样本统计分析。

Second, the data checking and correction process, to understand the various sources of measurement error, its three main areas: equipment error (determined by the instrument itself, is an objective source of error), observation error (due to the technical level personnel a result of belonging to a subjective source of error), external influence error (subject, such as temperature, atmospheric refraction effects of external factors such as these factors are also constantly changing and difficult to control, belonging to a variable source of error).

其次，在对数据的检查和矫正的过程中，明白了各种测量误差的来源，其主要有三个方面：仪器误差（仪器本身所决定，属客观误差来源）、观测误差（由于人员的技术水平而造成，属于主观误差来源）、外界影响误差（受到如温度、大气折射等外界因素的影响而这些因素又时时处于变动中而难以控制，属于可变动误差来源）。

To analyze the pseudo phenomena caused by migration velocity error, the paper firstly studied the depth error between post-stack migration and prestack migration caused by same velocity error, and found the depth error was only relative to velocity error and had no direct matter with methods of depth migration (post-stack migration or prestack migration). Then the paper did numerical simulation of a complex lenticular body model with wave-equation modeling and migration, and found that the velocity error could not only induce depth error, but also could change the modality of construction and the event of subjacent layers. Furthermore, it could change the frequency of reflective event. They are the pseudo phenomena caused by migration.

从分析偏移速度误差带来的各种假象出发，本文首先对比分析了速度误差对叠后深度偏移和叠前深度偏移的影响，发现偏移剖面的深度误差仅与速度模型的误差有关系，与具体的偏移方法没有直接的关系；然后对一个复杂的透镜体模型进行了波动方程叠后正演和偏移计算，详细地讨论了不同的速度误差带来的各种假象，发现速度误差不仅会带来深度误差，而且会造成构造体的形态变化，下覆地层同向轴的扭曲，还可能引起地层同向轴的频率发生变化，给资料解释带来一定的假象。

Error analysis In order to analysis the pose error of the hexapod machine tool, considering the characteristics of the parallel mechanism,"analysis on the error prominency factors for the hexapod machine tool pose error"is proposed. Numerically, the error prominency factor can express the influence on the pose error of the tool resulted from the mechanism parameter error within the whole workspace.

四、位姿误差分析为了定量地对并联机器人机床位姿误差进行分析，结合并联机构的特点，首次提出了&并联机器人机床位姿误差放大因子分析法&，因位姿误差放大因子是反映机床机构参数误差对刀具末端误差影响大小的机床工作空间内的统计值，因此既可作为机床结构参数精度设计的依据又可对机构参数进行优化。

To do this, in 1783 he published a spelling book for schoolchildren. Its full title was The American Spelling Book. The spelling guide became very popular.

为了实现这一想法，他在1783年出版了一本学生拼写用书，书的全名叫《美式拼写课本》。

Check spelling, paragraph numbering, and cross references both manually and with your word processor's spelling and grammar checker. This almost goes without saying today, especially since Microsoft Word now checks your spelling and grammar as you type. Unfortunately it also changes "per stirpes" to "per stupid" if you fail to watch it closely.

核实合同的拼写情况、段落序号以及上下文的注解，你可以自己手动来做，也可以用文字编辑软件中的拼写和语法检查功能来完成，特别是自从有了微软的word软件后，做这样的工作你似乎不要费多少精力（但机器有时也不可*，如果你不看仔细，它就会把&per stirpes&改变为&per stupid&）。

Check spelling, paragraph numbering, and cross references both manually and with your word processors spelling and grammar checker. This almost goes without saying today, especially since Microsoft Word now checks your spelling and grammar as you type.（Unfortunately it also changes "per stirpes" to "per stupid" if you fail to watch it closely.

核实合同的拼写情况、段落序号以及上下文的注解，你可以自己手动来做，也可以用文字编辑软件中的拼写和语法检查功能来完成，特别是自从有了微软的word软件后，做这样的工作你似乎不要费多少精力（但机器有时也不可靠，如果你不看仔细，它就会把&per stirpes&改变为&per stupid&）。

Check spelling, paragraph numbering, and cross references both manually and with your word processor's spelling and grammar checker. This almost goes without saying today, especially since Microsoft Word now checks your spelling and grammar as you type. Unfortunately it also changes "per stirpes" to "per stupid" if you fail to watch it closely.

核实合同的拼写情况、段落序号以及上下文的注解，你可以自己手动来做，也可以用文字编辑软件中的拼写和语法检查功能来完成，非凡是自从有了微软的word软件后，做这样的工作你似乎不要费多少精力（但机器有时也不可靠，假如你不看仔细，它就会把&per stirpes&改变为&per stupid&）。

Check spelling, paragraph numbering, and cross references both manually and with your word processor''s spelling and grammar checker. This almost goes without saying today, especially since Microsoft Word now checks your spelling and grammar as you type. Unfortunately it also changes "per stirpes" to "per stupid" if you fail to watch it closely.

核实合同的拼写情况、段落序号以及上下文的注解，你可以自己手动来做，也可以用文字编辑软件中的拼写和语法检查功能来完成，特别是自从有了微软的word软件后，做这样的工作你似乎不要费多少精力（但机器有时也不可靠，如果你不看仔细，它就会把&per stirpes&改变为&per stupid&）。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48