rubidium-strontium dating

英 美
  • 铷锶测年
  • dating n.约会动词date的现在分词.
  • rubidium n.[化]铷(符号Rb)
  • strontium n.[化]锶(元素符号为Sr)
Noun:
  1. geological dating based on the proportions of radioactive rubidium into its decay product strontium; radioactive rubidium has a half-life of 47,000,000,000 years