f-region F区...e-region E范围...d-region D区...n region N区...p+ region p+区...eccentricity of region 区域偏心距...L region L区...K region K区...absorption region 吸收区域...achromatic region 消色差范围...adjacent region 相邻区...active region 作用区,活动区...group of african caribbean and pacific region countries 非洲加勒比和太平洋地区国家集团...labile region 不稳定境,易变境...acceptance region 接受域...uncertain region 不确定区...transitional region 过渡区域...fading region 衰落区...near-infrared region 近红外区...safe region 安全区域...crystalline region 结晶区...
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