| 单词 | spectrum |
| 释义 | spectrum['spektrəm]n. 光谱, 范围, 系列【化】 光谱【医】 光谱, 光系; 波谱; 谱 spectrum spec.trum AHD: [spµk“tr…m] D.J. [6spektr*m]K.K. [6spWktr*m]n.（名词） 【复数】 spec.tra[-tr…] 或 spec.trums 1. Physics The distribution of a characteristic of a physical system or phenomenon, especially:【物理学】 谱：物理体系或现象特征的分布，尤指：2. The distribution of energy emitted by a radiant source, as by an incandescent body, arranged in order of wavelengths.光谱：辐射源（如一白炽物体）放射出的根据波长来排定的能量分布3. The distribution of atomic or subatomic particles in a system, as in a magnetically resolved molecular beam, arranged in order of masses.能谱：系统（如经磁力分解的分子束）中，原子与亚原子微粒根据质量顺序排定的分布4. A graphic or photographic representation of such a distribution.光谱相片：上述分布之图解或拍摄的相片5. A range of values of a quantity or set of related quantities.范围：一数量或一组相关的数量的数值范围6. A broad sequence or range of related qualities, ideas, or activities:系列，范围，幅度：相关质量、概念或活动的广大范围：the whole spectrum of 20th-century thought.20世纪所有不同的思潮语源:1. Latin [appearance] 拉丁语 [外观] 2. from specere [to look at] * see spek- 源自 specere [看着] *参见 spek- |
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