关于电磁波的叙述中说法正确的是 A.电磁波波长越短�率越低 b.电磁波可传递信息和能量c.红外线和紫外线不属于电磁波d.不同波长的电磁波在 Template




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tomski关于电磁波的叙述中说法正确的是 a.电磁波波长越短�率越低 b.电磁波可传递信息和能量c.红外线和紫外线不属于电磁波d.不同波长的电磁波在 coloring