这些发光二极管可以模拟红光。

These light-emitting diodes could simulate red light.

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现在你的眼睛就是在模拟地球处在它轨道的两极而且你的手指就是临近的恒星。

Your eyes are simulating the position of the Earth at the extremes of its orbit and your finger, the nearby star.

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采用模拟时的焊接工艺参数进行钨极氩弧焊平板对接焊，测定焊接热循环曲线和焊缝截面尺寸，对模拟结果加以验证。

The welding thermal cycle and section dimensions of the welding seam were measured in the condition of the simulated welding process parameters for checking simulation results.

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