Simple solar position algorithm is used to trace the sun ray roughly, then the sun ray tracing sensor is adopted to catch the sun ray accurately.

采用简单的太阳位置算法粗略跟踪太阳光线；再利用光线跟踪传感器精确跟踪。

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While Ben was working in the sun, Tom sat under a tree eating the apple and thinking how to catch more boys.

当本在太阳下工作时，汤姆坐在树下吃苹果，想着如何吸引更多的男孩。

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This meant that it did not look at all somber. Indeed, it was the first building to catch the rays of the sun and the last to lose them.

监狱建在中世纪古堡的楼顶，是城市的制高点，也就是说，那儿一点都不阴森闭塞，事实上，每天阳光最先造访的便是监狱，最后离开的还是监狱。

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Linger long enough and you may catch the sun setting over the hills.

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Then, stroll to the waterside gazebo to catch the sun's last golden rays.

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Because the rims of these craters catch rays of light from the sun, this may provide sufficient illumination for the spectrometer to detect frozen water.

ECONOMIST: Astronomy