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This paper gives a brief introduction of research work on the fabrication measurement of rotation accuracy of machine tool main spindles. The following problems have been studied, stability of a new type base circle generator, mechanical method of eliminating eccentricities, precision fast eccentricity-regulating equipment, program of autosof tware for checking delaytime number for improving sampling accuracy and its au...

本文通过试验研究，讨论机床主轴回转精度工业测试的一些主要问题：新型基圆发生器的稳定性；机械消偏法及快速高精度调偏心装置；提高采样精度的自动软件检测延时数程序及自动定标技术；干扰的产生原因及消除方法；主铀的工业测试规范。

Chinese researchers have done a lot of work on researching and protecting the black-necked cranes since 1980. This paper reviews the distribution, population ecology, habitat status and protecting situation of the black-necked cranes in Tibet, some suggestions are proposed for further protection in the future.

本文记述了20世纪80年代以来我国学者对分布在西藏的黑颈鹤研究和保护的成果及其进展；包括黑颈鹤在西藏的地理分布、种群生态、生境现状以及保护管理现状；并对目前黑颈鹤保护所面临的问题提出了相应的建议。

In this paper, how to select wear coefficient X for blanking die work size was analyzed, And the new way of wear coefficient calculation was worked out, And through some examples, explain how to use it.

分析了在冲裁凸、模工作尺寸计算时，选取磨损系数X时存在的问题，提出了正确选取和计算磨损系数的方法，从而为凸、模工作尺寸的准确计算提供了保证，并举例进行了说明。

Based on the construction of seawall of work ship in avoiding wind base in the first engineering in Yangshan harbor, the parameters design and exertion of crushing-silt blasting in shallow undersea are discussed in this paper, and blasting effect is analyzed.

文章以洋山港一期工程工作船避风基地防波堤施工为依据，探讨了浅层海水下爆破挤淤的参数设计及其运用，并对爆破效果进行了分析，提出了在浅层海水中实施挤淤爆破的几点结论。

The paper establishes stress-model about the roller bra ke tester and the flat brake tester, Moreover analyzes the model and compares their strongpoint and disadvantage t hrough simulating their actual work condition, At last educe their use range and their integrated use in brake force test.

建立了滚筒制动试验台和平板制动试验台受力分析模型，并通过模拟它们的实际工况来分析它们的受力模型，比较它们各自的优缺点，最后得出了它们的使用范围，以及在制动力检测时它们的结合使用。

The paper analyzes a few problems disputed in construction drawing inspection in residence building,clarifies whether inspector or designer must apply code,should deal with concrete matters related to work.

通过对住宅施工图审查中有争议的几个问题进行分析，阐明了无论是审查者还是设计者都须执行现行规范，应该本着求实和务实的态度审查住宅施工图。

Now a new type of high-performance smart molded pulp drying line is the latest company to develop products that work in a row, on drying 16 tons more than the cost of drying per ton less than 400 yuan, lower the cost of drying, the paper settled up Low productivity, the food industry by-day problems.

现在的新型高效智能纸浆模塑烘干线是我公司最新开发出的产品，连续作业，日烘干16吨以上，每吨烘干成本低于400元，比晾晒的成本还低，解决了纸托生产效率低下、靠天吃饭的行业难题。

This paper begins with the analysis of chain driving motion characteristics to find the causes to the scratching of paint film on the bottom surface of the work pieces by the load bearing part of the chain plate conveyer on the steel pretreatment line,and several rules in structural design of the chain plate conveyer are put forward.

从链传动运动特性分析入手，找出钢材预处理线上板链输送机承载件对工件下表面漆膜划伤问题的原因，并提出了板链输送机结构设计方面的几项原则。

Although working in a variety of media, Gilbert and George referred to all their work as sculpture. Between 1970 and 1974 they also made drawings (referred to as Charcoal on Paper Sculptures) and paintings to give a more tangible form. to their identity as 'living sculptures'.

虽然他们的作品包括了各种媒介，但是吉尔伯特与乔治仍然把自己所有的作品都称作雕塑。1970至1974年间，他们也创作了木炭画（被称作&纸上雕塑的木炭画&）和油画，突出表现了他们&活体雕塑&的身份。

Although working in a variety of media, Gilbert and George referred to all their work as sculpture. Between 1970 and 1974 they also made drawings (referred to as Charcoal on Paper Sculptures) and paintings to give a more tangible form to their identity as 'living sculptures'.

虽然他们的作品包括了各种媒介，但是吉尔伯特和乔治仍然把自己所有的作品都称作雕塑。1970至1974年间，他们也创作了木炭画（被称作&纸上雕塑的木炭画&）和油画，突出表现了他们&活体雕塑&的身份。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。