宏名称后面是一个数字，这是这个宏需要的宏参数数量。

After the macro name comes a count, the number of macro arguments the macro is supposed to have.

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函数的参数数量称为元数(arity)，用于帮助标识函数。

The number of arguments to a function is called it's arity, and is used to help identify the functions.

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下面是第二种情况的例子，即在运行时传递给过程的参数数量不正确。

Here is an example of the second situation where an incorrect number of parameters are passed to the procedure during runtime.

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And it turns out that simply by counting the number of those spikes that occurs at a period of time.

随后，只要数一数在一定时间内,产生的尖峰脉冲的数量。

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You have n branches on the tree and you count the number of leaves and sum them up.

一共有n根树枝,你数了叶子的数量然后把他们加起来

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So, for example, if we look at the 2 s orbital of argon, it's going to have the same amount of nodes and the same type of nodes that the 2 s orbital for hydrogen has.

所以举例来说，如果我们看氩的2s轨道，它有相同数量的节数,和相同类型的节点,对于氢的2s轨道。

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