aperiodograph

例句：

1. 1. The aperiodograph was used to record the data.
   这个仪器被用来记录数据。
2. 2. The aperiodograph was used to measure the distance between two points.
   这个仪器被用来测量两点之间的距离。
3. 3. The aperiodograph was used to plot the graph of the function.
   这个仪器被用来绘制函数的图形。