中英词典查询

isochron ['aɪsoʊkrɒn]

n. 等时线;

例句:

  • Its age determined by Rb - Sr isochron is 306 Ma , suggesting that it was formed at Hercynian.
    据Rb -Sr 等时线测定,其年令值为306Ma, 说明它形成于海西期.