“摩擦系数”概念、定义、翻译-科学时代

单词	摩擦系数
释义	纺织词汇手册摩擦系数 cf (coefficient of friction)
随便看	plug drawing plug drilling plug flow plug flow plug-flow aeration plug flow aeration tank plug flow fluidized bed plug flow reactor plug flow reactor（PFR） pluggable authentication module pluggable authentication module (PAM) pluggable authentication module--pluggable authentication module (PAM) plug gap plugger plugging box plugging value plug-hole plug-in plug-in plug-in plug-in plug-in busbar plug-in circuit-breaker plug-in code plug-in filter

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。