uranium-lead method铀铅法
uranium-lead dating铀铅测年法;[地质] 铀铅测年
uranium m lead age铀
uranium m lead method铀铅法
uranium-lead age铀
uranium-lead铀
uranium-lead dating method铀铅定年法;铀一铅法;铀铅测年法
uranium-lead isotopic age铀
isotopic uranium-lead method同位素铀铅法