“ruler”的概念、定义、翻译、参考文献-科学参考

单词	ruler
释义	ruler [`rül·ǝr] ^ENGINEERING A graduated strip of wood, metal, or other material, used to measure lines or as a guide in drawing lines.
随便看	locellus lochia lociation lock lockalloy lock bolt lock chamber locked-coil rope locked groove locked-in line locked oscillator locked-oscillator detector locked-rotor current locked-wire rope lock frame lock front lock gate lock-in lock-in amplifier locking locking fastener locking lugs lockjaw lock joint locknut

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。