title可以缩写为t，正如我们对余弦曲线的设置。
The title can be abbreviated to t, as we do for the cosine curve.
此外，一个粗略的正弦曲线图表可以在每天或每年的平均每日温度平面图表中看到，虽然这个图形可能和倒置的余弦波看起来很像。
Also, a rough sinusoidal pattern can be seen in plotting average daily temperatures for each day of the year, although the graph may resemble an inverted cosine wave.
下面是简单说明的multiplot，它绘制正弦、余弦及其各自倒数的曲线图。
Here is a simple annotated multiplot that plots the sine, cosine, and their respective reciprocals.
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