样本的下载版本包括一个测试驱动程序，还有一些添加的代码用于通过计算元素、删除和添加的个数来检查不同模型的操作。
The download versions of the samples include a test driver and also have some added code for checking the operation of the different models by counting elements, deletes, and adds.
Jelliffe的公式是计算元素类型、属性和各种特殊情况的个数，可以使用DTD或者一个或多个实例文档。
Jelliffe's formula was a count of element types, attributes, and various special cases of these measured either from a DTD or from one or more instance documents.
如果每个数组的元素都需要被处理，而且数组间没有依赖关系，执行的计算任务之间也不需要通信，这样的话将是一个执行并行式计算的理想环境。
If the same processing is required for each array element, with no dependencies in the computations, and no communication required between tasks, we have an ideal parallel computing opportunity.
计数组合学主要在探讨一个有限集合中元素个数的计算。
The subject of enumerative combinatorics deals with counting the number of elements of a finite set.
函数的作用是：计算数组中的元素数目或对象中的属性个数。
The count() function counts the elements of an array, or the properties of an object.
函数的作用是：计算数组中的元素数目或对象中的属性个数。
The count() function counts the elements of an array, or the properties of an object.
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