The value of maximum diameter, minimum diameter, height percentage measured by the instrument are traceable to Shenzhen Calibration Station of AQSIQ and national measurement standards.
通过溯源,该仪器测量的最大直径、最小直径、高度(全深)、全深比等数据已溯源至深圳市计量检定站直至国家基准。
On the basis of state-specific standards, the authors analyze a few confusable problems such as modification of computer simulation charts, expression of diameter and use of abbreviations.
分析编辑加工中经常遇到的国家标准没有明确规定或容易出错的问题,如计算机仿真图的编辑加工、直径的表示方法和缩略语的使用等,并提出相应的建议。
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