静态关键字将仅仅尝试在当前类中解析调用，而不是在定义函数的类中执行。
The static keyword will simply try to resolve the call in the current class instead of the class the function was defined in.
perfectproperty：查找时间复杂度为o(1)的表条目—就是说，至多需要一个字符串比较执行静态搜索集中的关键字识别。
Perfect property: Locating a table entry requires o (1) time-that is, at most, one string comparison is required to perform keyword recognition within the static search set.
而不是放置到堆栈中，变量通过use关键字指定，并存储到静态存储中。
Instead of being placed on a stack, the variables specified with the use keyword are stored in static storage.
要声明静态属性，将关键字static放在可见度修饰符后面，直接位于属性变量前面。
To declare a static property, place the keyword static after the visibility modifier, directly in front of the property variable.
有关static关键字需要注意一点，它的工作方式与在非静态上下文中的工作方式不同。
One thing to note about the static keyword is that it doesn't work the same as how this works in the nonstatic context.
Groovy函数需要def关键字，可以将关键字想像为在脚本范围内可用的全局静态方法。
Groovy functions require the def keyword, and you can think of them as globally static methods available within a script's scope.
默认情况下，通过添加静态全局变量外部链接，除非改变了关键字。这将有助于澄清的事情。
By default the global variables have external linkage unless changed by adding static keyword. This will help clarify things.
默认情况下，通过添加静态全局变量外部链接，除非改变了关键字。
By default the global variables have external linkage unless changed by adding static keyword.
默认情况下，通过添加静态全局变量外部链接，除非改变了关键字。
By default the global variables have external linkage unless changed by adding static keyword.
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