The rates of some elements supplied with referenee region in relevant studies,and vaviation degrees of element sates were also analysed.The study has given a new clue and demonstration.

• 分析了部分元素的比值，为相关研究提供参考范围，且对元素比值的离散程度进行分析，为多元素关系研究提供新的线索与依据。