分别对出现在正阈值或负阈值之上或之下的数据进行着色。
Shades data occurring above or below a positive or negative threshold respectively.
获取与matlab“fill”命令一起使用的x和y数据。
Obtains x and y data to be used with the matlab ‘fill’ command.
填充区域高于正阈值或低于负阈值，或两者都满足。
The filled areas are above a positive threshold or below a negative threshold, or both.
填充区域在用户定义的x轴起点和终点之间进行限定。
The filled areas are bound between start and stop points on the x-axis as defined by the user.
函数、输入和输出变量以及示例用法的完整描述可以在函数的注释中找到。
A full description of the function, input and output variables, and example usage can be found within the function’s starting comments.
关于如何使用输出数据的示例也包含在函数中（请参阅函数末尾的“绘图”部分）。
Examples on how to use the output data is also included in the function (look in the ‘Plotting’ section at the end of the function).
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