常見例句A beta ray. β射線Each emission of an alpha or beta ray accompanies the transmutation of an atom; the energy communicated to these rays comes from inside the atom. 每一次a射線或b射線的放射都伴隨著原子的蛻變，因爲(wèi)賦予這些射線的能量來(lái)自於原子的內(nèi)部。scintillation beta ray spectrometer 閃爍射線譜儀Absorbed dose point kernels of beta ray source 放射性核素輻射源的吸收劑量點(diǎn)核函數(shù)Helical orbit beta ray spectrometer 螺鏇形軌道譜儀 返回 beta ray