The concept of a continuous spectrum is obviously unmanageable graphically. 连续谱的概念显然用图形无法表达。
We prove the relativistic virial theorem, which gives simple criteria for the absence of embedded eigenvalues in certain regions of the continuous spectrum. 我们证明相对论维里定理，这定理对于连续谱空间里本征值的缺乏给出了简单的标准。
