定位环

A diffraction grating was fixed to the stage to form a close loop displacement measuring system.

工作台采用了粗、精2级定位机构，以精密衍射光栅传感器组成工作台位移的闭环检测系统。

The Hawse pipe Valve features a cast iron body, bronze guide rings to position the cable at the center of the valve and a heavy-duty elastomer pinch sleeve.

锚链管道阀门采用铸铁阀体，将缆索定位在阀门中心的青铜导环，以及重型人造橡胶夹套管。

E An omni-vision-based self-localization method for automatic helicopter landing on a helipad with a circled H-shape is proposed.

e我们提出了一个利用环场影像中的标准停机坪影像，作为路标的直升机降落之定位方法。

Panoramic radiography and cross-sectional and sagittal hypocycloidal tomography were performed on each patient with surgical stent in place.

手术前，病人口腔戴著手术定位板，在上述位置接受环口放射线摄影及口腔颚面多功能断层放射线摄影检查。

The oxygen life indictor is an open-loop system made up of the step motor with a photoelectric switch .

仿真氧气生命指示器采用步进电机驱动和光电开关定位开环控制系统，在设计和实现中成功地解决了指示器盘面刻度非均匀的问题，并解决了光电开关确定零位问题和限位问题。

It is understood that part of Matsuura Pylon cable-stayed bridge cables district, a total of 108 cable assembly here, the segments involved in a great ring pre-stress, cable conduit installation, the steel beam positioning gear block anchor Construction of very high precision.

据了解，松浦大桥上塔柱部分是斜拉桥拉索区，共有108根悬索集结于此，该节段所涉及的环向预应力极大、索导管安装、钢锚梁定位齿块的施工精度要求极高。

The properties of the yarn structure and its fabric style produced by compact spinning and traditional ring spinning are com- pared through experiments by use of microphotograph and fabric style tester and related effective factors are also analyzed, thus provided some basis for compact spinning product development and positioning.

通过采用视频显微镜和织物风格仪等进行的实验，研究比较了紧密纺和传统环锭纺纱线的结构和织物风格特点，并分析了相关的影响因素，为紧密纺的产品定位和产品开发提供了依据。

Processing efficiency as a result of cutting-axis achieve the revitalization of planning released the equipment manufacturing industry to adjust exhaust turbocharger atc common faults and exclusion of high-speed cutting edge technology used in the blanking die in and outside the ring of rolling bearing fault diagnosis methods of the term commonly used brief summary of metal material factor in the quality of process performance aluminum water purification technology gap separating sub-micron technology the basic principles of rotary broaching the installation of the basic principles of positioning technology in the context of the characteristics of the engine crankshaft camshaft grinding high-speed implementation of the project highlights the emergence of diagnostic bearing cage diagnostic system 10 cases of preventive measures hardening die steel crack analysis of elastic deformation of the analysis error δφ maintenance and repair pneumatic tools processing tools prismatic conical shape when the surface of the workpiece form error ina sets of cylindrical sliding zgb200x220x180 ina sets of cylindrical sliding cylinder zgb180x200x180 ina zgb160x180x150 ina sets of cylindrical sliding sliding sliding cylinder zgb140x155x150 ina sets zgb120x135x120 ina sets of sets of cylindrical sliding zgb110x125x100 ina sets zgb100x115x100 ina cylindrical cylindrical sliding sliding sliding cylinder zgb90x105x80 ina sets zgb80x90x80 ina sets of sets of cylindrical sliding zgb70x80x70 cnc machine tools in general the structure of the spindle drive motor and the use of the exchange servo motor,the dc converter or to eliminate brush maintenance and high-speed electrical and mechanical constraints,through the belt driving the movement to the spindle,so that the spindle reaches a certain speed to achieve the stepless speed regulation,and consistent use of the speed signal converter to confirm the speed of the motor to achieve the directive,and then cutting into the knife,resulting in improved efficiency

摘 要：由于加工切削效率轴达到实习心得振兴数控机床实习心得发布装备制造业调整废气涡轮增压器常见故障及排除换刀高速切削技术的优势在冲裁模中废旧滚动轴承内外环设备故障诊断常用简易方法名词简介金属材料工艺性能铝材质量因素净化水处理技术空白亚微米分离技术回转拉削基本原理定位安装的基本原则特征技术产生的背景发动机曲轴凸轮轴的高速磨削加工五轴机实施中数控机床实习心得涌现诊断轴承保持架诊断系统预防措施10例模具钢淬火裂纹分析弹性变形误差δφ的分析维护及保养气动工具棱体成形车刀加工圆锥面工件时产生的形状误差 ina 圆柱滑动套 zgb200x五轴机x180 ina 圆柱滑动套数控机床实习心得180x200x180 ina 圆柱滑动套 zgb160x机床实习心得x150 ina 圆柱滑动套 zgb数控机床实习心得x155x150 ina 圆柱滑动套 zgb120x135x120 ina 圆柱滑动套 zgb110x125x100 ina 圆柱滑动套 zgb100x115x100 ina 圆柱滑动套 zgb90x105x80 ina 圆柱滑动套 zgb80x实习心得x80 ina 圆柱滑动套 zgb70x80x70 数控机床的主轴机床信息交流网结构一般采用交流电机和伺服电机，采用变频器或以消除直流电机电刷维护和高速限制，通过带传动把运动传给主轴，进而使主轴达到一定的转速来实现无级调速，同时利用变频器的速度一致信号来确认电动机达到了指令速度后，再进刀切削加工，从而提高了效率

Loosen the setscrew that secures the ring with the time meridian indicator.

松开固定时间子午线指示环的定位螺丝。

Indicator after loosening the graduation-ring setscrew.

松开定位螺丝后把赤经兼小时刻度环"0小时"位置对准赤经指示箭头。

We will see more and more activist government policies that distinguish economic activities according to the nationality of the actors.

我们将看到越来越多激进的政府政策，这些政策根据企业的国籍来区分经济活动。

If we can prove the independence of an axiomatic system, then we can guarantee the conciseness of this system, ie.

如果能够证明某个一阶谓词系统的独立性，那么就能够保证该系统的建立是精炼的，即没有任何一条公理或推理规则是多余的。