“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	government policies on disaster relief government portal site government portal web government post for punishment government pricing government process reengineering government procurement law Government Procurement Law of the People's Republic of China government procurement of public security system government procurement supervision and administration government procurement unit government publication Government public opinion management government public relations government recognition Government Records Service of the Government of the Hong Kong Special Administrative Region government regulation government relations government reserves government resource operation and maintenance supervision system government resource sharing & exchange management service government-run medical establishment government-run publishing house government security authentication technology government security services

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