The 10 function takes two CNDs and returns a CND that combines them by running them in sequence.

10函数以2个CND为参数，并返回一个CND，这个CND将它们组合在一起，使它们依次运行。

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The 10 function takes two CNDs and returns a CND that combines them by running them in sequence.

10函数以2个CND为参数，并返回一个CND，这个CND将它们组合在一起，使它们依次运行。

youdao