这个装置的正面有个刻度盘,盘上至少有三根指针,一根用来指示日期,其余两根用来表示太阳和月亮的位置。
A dial on the front of the device probably carried at least three hands, one indicating the date and the other two indicating the positions of the Sun and the Moon.
结果如图 2 所示。 注意 gnuplot 自动给出了轴的刻度,但是如果需要标注图形的位置,就可以对其进行控制。
The result is shown in Figure 2. Note that gnuplot automatically scales the axes, but you're given control over this if you need to position the plot.
当刻度指示器指向规定的位置,放开脚踏板。
Release the Foot Switch when the Calibration Indicator reaches its set position.
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