“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	sex factor sex hormone sex-influenced inheritance sexless connector sex-limited inheritance sex-linked inheritance sex organs sex ratio Sextans Sextant sextant sextant adjustment sextant altitude Rallidae ralstonite RAM Ram ram Raman effect Raman-induced Kerr effect Raman lidar Raman-Rayleigh ratio Raman scattering Raman spectrophotometry Raman spectroscopy

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。