kēxuéjiā / tíchū / de / xīn / hémóxíng / gèng / hǎo / de / jiěshì / le / yuánzǐhé / de / shuāibiàn科学家提出的新核模型更好地解释了原子核的衰变。The new nuclear model proposed by scientists better explains the decay of atomic nuclei.