孔径测量 meaning in Chinese

inside diameter measurement

Numerical aperture measurement of graded - index optical fibers
分级指数光纤的数值孔径测量
Verification regulation of precision bore diameter measuring instrument
孔径测量仪试行检定规程
Petroleums and derivatives . oil content of paraffins and petroleum waxes . method of measuring the equivalent diameter of pores of rigid filters
石油和衍生物.石蜡和石油蜡中油含量的测定.刚性过滤器等值孔径测量法
Complete the design of application program and study the data processing algorithm on the ground of accurate diameter measure applying to small
4 .进行了主机应用程序的设计,并以超精密小孔孔径测量为背景进行了主机上数据后处理算法的研究。
4 . we analysed the characters of system composing , primary flow of software system , arithmetic of the hole center ’ s orientation and the hole diameter ’ s obtaining , arithmetic of the final data error analysis
4 、针对系统构成的特点和上述几个主要问题进行分析,论述了课题中软件系统的主要流程、 pcb板的孔心定位和孔径测量算法、数据误差分析算法。