Because these different forms of electromagnetic radiation - on this "simplistic" level - are fundamentally so similar, they are today commonly viewed as composing a single spectrum.

因为这些各异的电磁辐射在“简单”层面上，即本质上是如此相似，所以如今把它们视为一个光谱中的组成部分。

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On the contrary, each band or level, being a particular manifestation of the spectrum, is what it is only by virtue of the other bands.

相反，作为光谱具体体现的每个波段或层次，只有借助其他波段才能存在。

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Current incomes are at roughly the level of the late 1970s for those near the bottom of the income spectrum.

对于收入属于最底层的人们来说，现在的收入只相当于上世纪70年代晚期的水平。

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When the Soviets were running left-wing influence operations, they used to call such things active measures a term used to describe the spectrum from low-level propaganda and disinformation to covert operations, all designed to subvert ones opponents and advance your own agenda.

CENTERFORSECURITYPOLICY: Active Measures

This happens when they learn where they fit on the gluten sensitivity spectrum and discover their own level of gluten tolerance.

CNN: Gluten: 5 things you need to know

Others will finally see the incentive to refurbish investment properties purchased on the lower level of the price spectrum.

FORBES: How To Make Money In Stocks From The Real Estate Rebound