【【站僕】摩檸Morning】評論
原本題目:17.192Ir是目前最常使用在高劑量率近接治療(HDR brachytherapy)的射源,此射源有何優點以致適合用在HDR brachytherapy中?(A)short half life(B)high specific activity(C)high photon energy(D)large source size修改成為17.192Ir是目前最常使用在高劑量率近接治療(HDR brachytherapy)的射源,此射源有何優點以致適合用在HDR brachytherapy中?(A)short half life(B)high specific activity(C)high photon energy(D)large source size