“lever”的概念、定义、翻译、参考文献-科学参考

单词	lever
释义	lever [`lev·ǝr, lē·vǝr] ^ENGINEERING A rigid bar, pivoted about a fixed point (fulcrum), used to multiply force or motion; used for raising, prying, or dislodging an object.
随便看	radio range radio range finding radio range station radio receiver radio recognition radio recombination line radio relay satellite radio relay system radio repeater radioresistance radio scanner radio scattering radiosensitive radio set radio sextant radio shielding radio signal radio-signal reporting code radio silence radiosonde radiosonde balloon radiosonde commutator radiosonde observation radiosonde-radio-wind system radiosonde set

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。