...的定义中不能有static标识符，原因很简单，被static修饰的函数在编译时候要求前期bind,然而虚函数却是动态绑定（run-time bind），而且被两者修饰的函数生..
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There is also the concept of environments, which enables the automation logic to bind values in run time.
这也是环境的概念，使得自动化逻辑能够在运行时建立价值。
Then, they bind that object to a name or symbol and use that name or symbol to look up the associated implementation at run time. Here's how it works.
然后，将该对象绑定到一个名称或标记，并使用该名称或标记在运行时查找相关的实现。
You can bind to an array of values that you calculate at run time, read from a file, or derive from the values of other controls.
可以绑定到值的数组，这些值可以在运行时计算、从文件中读取或者从其他控件的值派生。
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