“solid density primary standard”的概念、定义、翻译、参考文献-科学参考

单词	solid density primary standard
释义	solid density primary standard Encyclopedia 工学密度计量技术释 solid density primary standard固体密度基准用物理、化学性能十分稳定的材料制作的固体球或立方体。
随便看	three-j symbol three judicial offices three jugs problem three karma Three Kazak’s Yuzs three-Kelvin [background] radiation three-Kelvin background radiation three-Kelvin radiation three-kiloparsec arm three kinds of boundary conditions three kinds of nature theory three kinds of vitality Three kinds of written expression, four languages Three Kingdoms Three Kingdoms blue glazed brown color plumage double-lined pot three knife trimming three labor rights three laws of Japanese social education three laws of motion three layer polyethylene coating three-layer surface complexation model three-leafed rose Three Lectures on Aesthetic three-level degree system three-level diode level inverter circuit

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。