B. base Metals: Produce door hardware units of base metal indicated, fabricated by forming method indicated, using manufacturer's standardmetal alloy, composition, temper, and hardness.
This paper deals with the structural design principle, the technical features, the method of verification as well as the error analysis of the first class national standardmetal capacity system.
描述了一等标准金属量器的结构设计原则，所建标准的特点与容量标定方法、误差分析等。
3
A standardmetal ball with known RCS value has been used as the calibration body in the external calibration experiment which used a relative calibration method and acquired the calibration data.