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How to draw a broken line of temperature change according to the temperature record of a day?
The steps of drawing a temperature-time line chart are as follows:
Draw the coordinate axis and draw the first quadrant.
The horizontal axis represents time (0:00~24:00) and the vertical axis represents temperature.
Draw the corresponding (time, temperature) coordinate points on the coordinate axis,
Connect these points in turn with a ruler.
You can get the line chart of temperature change.