Spectrum
715
浏览
0
关注

A spectrum (plural spectra or spectrums) is a condition that is not limited to a specific set of values but can vary infinitely within a Continuum (theory)|continuum. The word saw its first scientific use within the field of optics to describe the rainbow of colors in visible light when separated using a triangular prism (optics)|prism; it has since been applied by analogy to many fields other than optics. Thus, one might talk about the spectrum of political spectrum|political opinion, or the spectrum of activity of a drug, or the autism spectrum. In these uses, values within a spectrum may not be associated with precisely quantifiable numbers or definitions. Such uses imply a broad range of conditions or behaviors grouped together and studied under a single title for ease of discussion. In most modern usages of spectrum there is a unifying theme between extremes at either end. Some older usages of the word did not have a unifying theme, but they led to modern ones through a sequence...
[展开]
主要的会议/期刊
演化趋势
Chart will load here
Spectrum文章数量变化趋势

Feedback
Feedback
Feedback
我想反馈:
排行榜