例句與造句

1. the principle of proton radioactivity is introduced . the present status of experimental studies on proton radioactivity is reviewed
   摘要介紹了質(zhì)子衰變的基本原理，綜述了質(zhì)子衰變實(shí)驗(yàn)研究的現(xiàn)狀。
2. the principle of proton radioactivity is introduced . the present status of experimental studies on proton radioactivity is reviewed
   摘要介紹了質(zhì)子衰變的基本原理，綜述了質(zhì)子衰變實(shí)驗(yàn)研究的現(xiàn)狀。
3. It's difficult to find proton radioactivity in a sentence. 用proton radioactivity造句挺難的