摘要
Flyingoveradesertareainanairplane,twoscientistslookeddownwithtrainedeyesattreesandbushes.Afteranhour'sflight,oneofthescientistswroteinhisbook,"Look,hereforprobablemetal."Scientistsinanotherairplane,flyingoveramountainarea,sentamessagetootherscientistsontheground,"Goldpossible."Walkingacrosshillyground,fourscientistsreported,"Thisgroundshouldbesearchedformetals."Fromanairplaneoverahillywastelandascientistsentbackbyradiooneword:"Uranium."
出版日期
2018年11月21日（中国期刊网平台首次上网日期，不代表论文的发表时间）
