Listing 4 illustrates a very simple invocation of the user-defined function that transforms JSON into JSONx.
清单4显示了一个非常简单的将JSON转换成JSONx的用户定义函数。
The map operation transforms a collection into a new collection by applying a function to each of the elements, as illustrated in Figure 6.
map运算会对每个元素应用一个函数来将一个集合转换成一个新的集合，如图6所示。
Transforms the design into the reality database, and these databases have the function to be complete, the high efficiency application.
把设计转变为实际的数据库，并且这些数据库带有功能完备、高效能的应用。
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