Length - measuring of perforated motion - picture films and magnetic tapes ; tabels of running times 1 to 60 s in relation to film length 穿孔电影胶片与磁带的长度测量.第2部分: 11 - 60秒放
Length - measuring of perforated motion - picture films and magnetic tapes ; tables of running times 1 to 120 min in relation to film length 穿孔电影胶片与磁带的长度测量.第2部分: 1 - 120秒放
General - purpose go ring gauges and setting ring gauges for pneumatic length measuring instruments from 1 mm up to 315 mm nominal diameter 气动长度测量仪用标称直径1至315mm的通用过端环规和
Iec optical fibres - part 1 - 22 : measurement methods and test procedures ; length measurement iec 60793 - 1 - 22 : 2001 ; german version en 60793 - 1 - 22 : 2002 光纤.第1 - 22部分:测量方法和试验程序.长度测量
Laboratory testing also shows that the math model is suitable for the measuring of tubing string length , of which accuracy is 1 室内试验也表明，应用该数学模型对油管柱进行长度测量的精度可达1 。
The 0 . 001mm dial indicators are a high accuracy length measuring tool . they are widely used for measuring the geometric deviation and position deviation of workpieces 千分表是一种高精度的长度测量工具，广泛用于测量工件几何形状误差及相互位置误差。
On the internet site placed by the enterprise renishaw gmbh , you receive views on measuring devices , length measuring technique as well as on used machines Renishaw gmbh是一家高水平的公司，该公司为您供应高质量的产品并从事测量装置,长度测量技术,旧机械的制造和销售。
Design and manufacture industrial process control and measurement instrumentation and systems . products include amplifiers , batch controllers , portable load meters , data loggers , signal converters , and industrial displays -长度测量角度测量刀具与工件设定和测量测量数据获取与显示机床控制系统三维接触探头产品制造商。
Abstract : the measurement of asymmetric gear is discussed , especially the measurement of base tan - gent length of this kind of gear is studied in details . the formula of measuring and calculating the base tangent length and the number of tooth - jump are deduced in order to use in real production 文摘:就非对称齿轮的测量问题进行探讨，特别是公法线长度测量进行详细研究，并推导出计算公式和跨齿数，以便于以后在生产上使用
The base unit of length in the international metric system ( si ) is the metre which , since 1983 , is defined by the general conference of weights and measures as " the length of the path travelled by light in vacuum during a time interval of 1299 792 458 of a second " 长度测量国际米制长度的基本单位是米。自一九八三年起，国际计量大会( generalconferenceofweightsandmeasures )已把米界定为光在真空中1299792458秒时间间隔内所经路程的长度。
