[普朗克常数 / 普朗克常數, Pǔ lǎng kè cháng shù, ㄆㄨˇ ㄌㄤˇ ㄎㄜˋ ㄔㄤˊ ㄕㄨˋ]Planck's constant h, approximately equal to 6.626 x 10^-34 Joule.seconds or 4.135 x 10^-15 Electron volt.seconds[Add to Longdo]
[阿伏伽德罗常数 / 阿伏伽德羅常數, Ā fú jiā dé luó cháng shù, ㄚ ㄈㄨˊ ㄐㄧㄚ ㄉㄜˊ ㄌㄨㄛˊ ㄔㄤˊ ㄕㄨˋ]Avogadro's number; the number of molecules in a mole, about 6.022 x 10^23[Add to Longdo]