The personal strain about radioactive workers had some main influential factors of, such as physical environment, age, role boundary, radioactive age, responsibility, collaboration and role overload.
晶状体混浊率随着放射工龄的增加而增加。个体紧张反应的主要影响因素：工作环境、年龄、任务冲突、放射工龄、责任感、与同事合作和任务过重。
Planetary scientists can determine a rock's age by calculating how many radioactive "parent" isotopes of a particular element have decayed into "daughter" isotopes.
行星科学家们可以通过计算一个特定元素有多少“母亲”放射性同位素衰变为“女儿”同位素来确定岩石的年龄。
The downsides were also great. Marie's work with radioactive elements inflicted serious burns to her arms and hands - and perhaps triggered the leukemia that killed her at age 58.
居里夫人长期从事放射性元素研究，身体每况愈下，放射性元素严重灼伤她了胳膊和手臂，或许还引起致她死亡的白血病，年仅58岁。
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.
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。
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.
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。
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