betaceln.原子电池betan.贝它；希腊字母的第二个字母Beta - exponential distribution贝塔指数分布beta-N-acetylhexosaminidase Aβ-N-乙酰己糖胺酶ABeta Hull Mod Nanofiber Structurebeta-endorphin immunoreactivityβ-内啡呔免疫反应性beta-adrenoceptor blocking drugβ肾上腺素受体阻断药beta neutrino angular correlation中微子角关联beta-adrenergic blocking agentsβ-肾上腺素能受体, β-肾上腺素能阻滞剂betamethasone dipropionate lotion倍他米松二丙酸盐洗液Beta human chorionic gonadotropin人绒毛膜促性腺激素β-亚单位beta-N-acetylhexosaminidase Iβ-N-乙酰己糖胺酶I