The process by which an atom changes from an unstable state to a morestable state by emittingradiation is called radioactive decay or radioactivity.

这种原子通过释放射线从不稳定状态变到更加稳定的状态的过程被称为核衰减或放射。

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The process by which an atom changes from an unstable state to a more stable state by emitting radiation is called radioactive decay or radioactivity.

原子通过辐射由不稳定状态转变为更加稳定状态的过程称为放射性衰变或放射性。

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The characteristics of the decay kinetics of a two-level atom near the band edges of photonic crystals with absolute gaps are analyzed.

介绍一个二能级原子在全带隙光子晶体带边附近的衰减动力学行为。

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If any four atoms, let say, atoms A, B, C and D, would be selected to test the decay, atom A would have much lesser chance to respond to decay due to the existence of atoms B, C and D.

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Or in other words, there would only be one atom responds to decay if there are two.

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