That is the real value of the z dimension: You can create objects in any order you choose and position them relative to each other by adjusting the z value on each object.
这就是 z 值的实际价值：您可以按照任何顺序来创建对象，并可以通过调整每个对象的 z 值来调整彼此之间的相对位置。
You can retrieve the value that the listener returned by first getting the xmlrpcval object stored in the response object and then asking for the xmlrpcval object's scalar value.
您可以通过先获得存储在响应对象里的xmlrpcval对象，然后请求xmlrpcval对象的标量值，来检索监听器返回的值。
JSON objects are constructed in a key: value pair format. The elements of the object are separated by commas, and each object is contained within curly braces .
JSON对象是由一个“键：值”对格式构成的，对象的元素由逗号隔开，每个对象包含在一对大括号中。
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