The measurement of the decay of radioactive isotopes, especially uranium, strontium, rubidium, argon and carbon,has allowed geologists to more precisely determine the age of rock formations.
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- 对放射性同位素衰变的测量,尤其是铀、锶、铷、氩和碳,可允许地质学家更精确地确定岩层的年龄。