“helium”的概念、定义、翻译、参考文献-科学参考

单词	helium
释义	helium Encyclopedia 理学氦释 helium氦化学元素，元素符号He，原子序数2，原子量4.002602(2)，属周期系零族元素，稀有气体。 Physics helium氦2He｛化｝ Astronomy helium缩写：He。氦 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 helium氦
随便看	mean cluster count per site mean collision time mean concentration function mean-conjugate curve mean-conjugate directions mean continuity mean contour mean convergence mean cross-sectional measure mean crowding mean curvature mean curvature flow mean curvature vector mean curvature vector field mean daily motion mean day mean declination mean density mean density of matter meander meander bend meander core meandering meandering coefficient of traverse meandering river

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。