White gold wedding rings and eternity bands are available in the entire spectrum of the metal through the mixing of pure gold with other metals.
只要将黄金与其他的金属混合做成合金，白金婚戒和永远箍在整个金属范围内都是可以获得的。
Argon emitted blue and green light, krypton several other colours, and mixing the two gases made a laser that could emit across the visible spectrum.
氩气产生蓝色和绿色的光，氪产生其他几种颜色，两种气体的混合可以产生整个可见光谱中的颜色。
Hyperfine spectrum; Nonlinear optics; Degenerate four waves mixing; The equivalent grating; Isotope detecting.
超精细光谱；非线性光学；简并四波混频技术；等效光栅；同位素检测。
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