但也不能因为每个途径、每个层次、每个波段不过是众多波段之一，就抹杀单个层次及其研究所具有的完整性或价值。

That each approach, each level, each band is but one among several other band should in no way compromise the integrity or the value of the individual levels or of the research done on these levels.

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光伏电池通常对光谱中的可见光和紫外线波段的光子受激性最好，但高频红外光子也能激发电流。

Photovoltaic cells are usually most responsive to photons in the visible and ultraviolet parts of the spectrum, but they can also respond to high-frequency infrared photons.

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波段的重要性远低于带宽。

Wavebands matter less than bandwidth.

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