So anything that goes from a higher energy level to 2 is going to be falling within the Balmer series, which is in the visible range of the spectrum.
任何更高能级到2能级2，都是属于Balmer系，它在可见光谱中。
The results show that the system complies with the design goal in spectrum, pulses formation and energy level.
研制结果显示：在强光光谱，脉冲形式，出光能量等方面达到了预期目标。
The energy levels of alkaline metal atom spectrum are obtained and the influences of quantum number loss on atomic energy level are also discussed.
讨论了贯穿轨道对碱金属原子双层能级间隔的影响 ，得出一个双层能级间隔的波数公式 ；
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