“preparatory function instruction”的概念、定义、翻译、参考文献-科学参考

单词	preparatory function instruction
释义	preparatory function instruction Encyclopedia 工学数控机床坐标系统释 preparatory function instruction准备功能指令零件数控加工编程中，用以指定机床或控制系统建立加工功能的方式，使数控机床准备好与插补有关的某种运动方式的指令。又称G代码、G指令。
随便看	surface brightness method surface brightness profile surface brightness temperature surface calculation model surface case surface casing drilling technology surface catalysis surface catalytic reaction surface channel surface channel CCD surface characteristics of crude drugs surface characterization testing surface charge surface charge density surface chemical physics and physical chemistry surface chemical reaction surface chemical shift surface chemisorption surface chemistry surface cleaning surface coating surface coating of magnesium alloys surface coating technology surface collapse surface color

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。