“jack”的概念、定义、翻译、参考文献-科学参考

单词	jack
释义	jack Encyclopedia 工学〔轻小型起重设备〕释 jack千斤顶依靠人力驱动来顶升重物的轻小型起重设备，日常生活和维修中常用的起重工具。 Physics jack①插口，插孔，插座 ②千斤顶
随便看	beam current convective instability beam diameter beam diaphragm beam dilution beam divergence beam divergence angle beam dyeing beamed radiation beam efficiency beam emittance beam energy beam equation beam expander beamflying-spot scanning beam foil spectroscopy beam-foil spectroscopy beamform beamformer beam forming beamforming beam hopping technique beaming beaming effect beaming in AGN beam injection distributed emission magnetron amplifier

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。