在电视上，萨根先生是一位非常善于讲故事的人，他能够用非常简单的方法将非常复杂的科学原理讲清楚。
On television, Mister Sagan was a good storyteller. He was able to explain complex scientific ideas in simple ways.
运用计算机模拟，对矩形波磁光调制的利萨如图形进行了详细考察，研究了其检偏原理，并对其检偏精度进行了分析。
By means of computer simulation, Lissajou figure of the rectangular wave magneto-optical modulation method was investigated, and the principle and precision of this method were studied.
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