Astronomers could gain only a biased idea of the universe when they were limited to the narrow wavelength band of visible rays.
由于只能在可见光的狭窄波段内观测，天文学家关于宇宙的概念显然只能是片面的。
Astronomers could gain only a biased idea of the universe when they were limited to the narrow wavelength band of visible rays.
由于只能在可见光的狭窄波段内观测，天文学家关于宇宙的概念显然只能是片面的。
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