“primary instrument”的概念、定义、翻译、参考文献-科学参考

单词	primary instrument
释义	primary instrument [`prī´mer·ē `in·strǝ·mǝnt] ^ENGINEERING A measuring instrument that can be calibrated without reference to another instrument.
随便看	terra alba terrace terraced pool terracette terrachlor terracing terra-cotta terrain-avoidance radar terrain-clearance indicator terrain contour matching terrain echoes terrain-following radar terrain profile recorder terrain sensing terra japonica terral levante terra miraculosa terrane terrapin terra rossa terrazzo terrestrial terrestrial coordinates terrestrial electricity terrestrial environment

科学参考收录了103327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。