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Too many radiologists still believe there is a risk from a chest x-ray. Few radiologists can explain radiation to the patient in words the patient can understand.

  • -- John Cameron 约翰卡梅伦

太多的放射科医生仍然认为胸透有风险。很少有放射科医生能用病人能理解的语言向病人解释辐射。

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Radiation

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It may well be said that the answer to the question: Of what do the cosmic rays in fact consist before they produce their familiar secondary radiation phenomena in the earth's atmosphere? can only be obtained from numerous measurements in the stratosphere.

我们完全可以说，这个问题的答案是:在宇宙射线在地球大气中产生它们所熟悉的二次辐射现象之前，它们实际上是由什么构成的?只能从平流层的大量测量中获得。

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In this case, the particle formed has correspondingly less energy, whereas the product nucleus passes into the ground state with emission of the quantity of energy saved as gamma radiation.

在这种情况下，形成的粒子能量相对较少，而生成物核进入基态时释放出的能量相当于伽马射线。

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