INSTR
- abbr.仪器仪表;教官
INSTR-
Laser micro-polishing for metal is a newly developed technology recently , which have been widely used in electronic equipment , precision machinery , instr μ ments , medical equipment and other fields .
金属材料的激光微抛光是近年来发展起来的一项新技术，在电子设备、精密机械、仪器仪表、医疗器械等领域都得到广泛的应用。
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V-F converter is the main part of this instr . and is difficult in technical preparation . In this paper , emphasis is placed on the analysis of V-F conversion constitution , technology and conversion accuracy .
V-F变换是该仪器的主要单元，也是研制技术较困难的单元，本文着重分析它的结构、工艺和变换精度。