蓝色曲线表示A 1 B方案中未受干扰的海冰范围，灰色阴影表示三个模型紧张的整体差幅。
The blue curve shows the evolution of the unperturbed sea-ice extent for the A1B scenario, with the gray shading showing the ensemble spread of three model runs.
需要追踪的物体为六个灰色的正方形，它们被有规律的放置在志愿者的视野范围内。
The objects were six grey squares placed strategically throughout the volunteer's field of vision.
通常的颜色范围从浅灰色透过中间的阴影，以黑色，黑貂，并阴影的貂皮，以红色。
The usual colors range from light gray through intermediate shadings to black sable and shadings of sable to red.
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