Tasting Notes: Color and luster, perfect a violet red.

品评记录：颜色深彻而有光泽，呈紫罗兰红色。

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Violet, red colour. Red and black ripe fruits with vegetal smell. Supple, rich mouth with good tannins.

紫红色，有成熟水果的香气，带着丝丝植物气味。丹宁扎实，口感饱满。

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It can further reacts with diphenyl guanidine to form a stable, neutral, violet-red 1:2:1 ternary ionic-associate complex.

它可与二苯胍进一步反应形成电中性的稳定紫红色1∶2∶1三元离子缔合络合物。

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The autochrome achieved its color through a single glass plate smeared with millions of grains of potato starch, which were dyed red, green or violet and thus acted as tiny color filters.

FORBES: Magazine Article

The discover section of the site provides an insight into the science behind the study of Leonardo's work, including explanations and images of infra-red, ultra-violet and my favourite, the "computed axial tomography" of some of da Vinci's work.

BBC: 8bitpeoples

For your money, you get two platters and a mini-mixer, FX buttons, a choice of five colors (white, black, red, green or the pictured violet), as well as some built-in LED effects that help you learn to mix (the lights get brighter as the pitch of the two songs gets closer, etc.).

ENGADGET: Pioneer announces DDJ-WeGO two-channel DJ controller, provides entry-level jams