This information travels throughout the flow and is represented by blue shading in Figure 1.
此信息将在流中传递,在图1中用蓝色阴影表示。
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Despite decades of lore, the premise is winningly simple: a charming alien travels through time and space in a dinged-up blue box, doing his level best to save the day.
Most of the light created by marine organisms is blue-green in color. This is because blue light travels best in water, and because most marine organisms are sensitive to blue light.