“method of counting volume of earthwork in ancient”的概念、定义、翻译、参考文献-科学参考

单词	method of counting volume of earthwork in ancient
释义	method of counting volume of earthwork in ancient Encyclopedia 工学中国水利科学技术史释 method of counting volume of earthwork in ancient历步减土古代土方工程中按取土距离计算运、填劳动定额的方法。即在不同劳动条件下，一个标准劳动工日在运土方面做功相等，运输距离每增加一步，运输土方量就要相应合理地减少一些。
随便看	friction control friction damper friction damping friction dissipation friction drag friction drag, fractional drag friction drive friction effect friction factor frictionfactor friction feed friction force friction force microscopy friction heat friction heat, fractional heat friction hoist friction initiation friction layer frictionless flow friction loss friction materials frictionmeter friction of metal working friction pairs friction pile

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。