探测器在不同的角度收集反射束的强度。
A detector sampled the reflected intensity at various angles.
它们将一束集中的光线反射到城镇的中心广场上，形成面积大约为600平方米的阳光区域。
They reflect a concentrated beam of light onto the town's central square, creating an area of sunlight roughly 600 square meters.
如果水面像镜子一样光滑，一束完美的太阳反射光便会在这样的图像中出现。
If the water were as smooth as a mirror, a line of perfect reflections of the Sun would appear in images such as this.
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