They asked 74 university students to take a timed, easy general-knowledge quiz which they were asked to finish as quickly as possible without compromising accuracy.
在保证正确率的基础上,他们要求74名大学生尽快完成一份计时的、一般知识测验。
CBN is an ideal tool material for finish and semi_finish turning powder superalloy. It not only ensures the high machining accuracy, but also can obtain longer tool life.
对精车和半精车而言,CBN是车削粉末高温合金的一种理想刀具材料,它不仅可保证高的加工精度,而且可获得长的刀具寿命。
Generally, grinding is considered to be a finishing process that is usually used for obtaining high-dimensional accuracy and better surface finish.
一般而言,磨削被认为是一种通常用于获得高尺寸精度和较好表面光洁度的精加工作业。
Closed-die forging can produce components of greater complexity and accuracy, with a better surface finish than the more traditional methods not using closed dies.
闭式模锻能生产高度复杂和精确的零件,而且表面光洁度要比不用闭式锻模的更传统方法好。
This article takes the application of GPS-RTK on finish construction survey of high tension corridor as an example and analyzes the accuracy about the GPS-RTK technology.
以GPS -RTK在高压走廊竣工验收测量中的应用为例,对RTK技术在生产实践中的应用情况进行了分析和精度评定。
The internal surface processing of hydraulic cylinder requires high accuracy of size, shape, and good deformed surface finish.
液压缸内表面要求较高的尺寸精度、状精度以及适宜的表面粗糙度。
To check report and finish the product related returns in time. establish statistic and filing procedure, ensure the accuracy and integrity of original records, contracts and other materials.
检查并及时完成相关报表,建立完整的会计,统计和业务档案,确保原始记录,合同和各种资料的真实完整。
The rough gear milling is the preceding working procedure of finish gear milling, which influences not only the machining efficiency of gear but also the final machining accuracy of tooth flank.
粗铣齿是精加工铣齿的前道工序,它影响齿轮的加工效率也影响齿面的最终加工精度。
Camshafts play an important part in the valve train of engine, their accuracy of finish can affect the unitary performance of engine.
凸轮轴是汽车发动机配气机构的一个非常重要的机械部件,它的加工精度直接影响到汽车发动机的整体性能。
Use Mitsubishi 's 20gm and 10gm to finish the position control and speed control, and assure the working accuracy of the numerical bender.
采用三菱20gm和10gm定位模块来实现位置和速度控制,保证数控弯管机的加工精度。
The layer by layer building process introduces an error which affects the dimensional accuracy as well as the surface finish.
这种层层叠加的制造技术会影响零件的表面光洁度和尺寸精度。
Grinding process is a kind of important processing technology; it has been applied extensively in the production course of high accuracy and the high smooth finish of work piece.
磨削加工是一种重要的加工工艺,它被广泛应用于高精度和高光洁度工件的生产过程中。
The measuring system USES PC, step motors and high accuracy torque sensor to finish the stiffness test.
利用PC机、步进电机、高精度扭矩传感器组成的系统完成了刚度测量。
The utility model has good beam mode, good mechanical properties of the metal parts being processed, high dimensional accuracy and high surface finish quality.
本 实用新型光束模式好,金属零件加工后机械性能良好、尺寸精度和表面光洁度高,适用范围广。
Guilin, Guangxi 541100 Abstract: Machining accuracy and surface finish of formed grinding tools are determined by the accuracy of adopted machining tools as well as the size of diamond grits.
电镀成形磨轮尺寸控制研究周艳萍桂林金刚石工业有限公司(广西桂林541100) :成形磨具的加工精度、光洁度由使用的加工磨具精度和金刚石粒度所决定。
Guilin, Guangxi 541100 Abstract: Machining accuracy and surface finish of formed grinding tools are determined by the accuracy of adopted machining tools as well as the size of diamond grits.
电镀成形磨轮尺寸控制研究周艳萍桂林金刚石工业有限公司(广西桂林541100) :成形磨具的加工精度、光洁度由使用的加工磨具精度和金刚石粒度所决定。
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