这个非常简单的程序声明了两个决策变量：约束和目标函数。
This very simple program declares the two decision variables: the constraint and the objective function.
无可否认，以上所有这些要求对程序员来说都是复杂的约束，对此没有一种很好的解决方案能把它们全包括。
All of these are admittedly complex constraints without one single perfect solution to them all.
考虑下面的选项，然后确定哪些约束对您的应用程序非常重要。
Consider the options, and decide which constraints are important for your application.
为这个Web应用程序添加一项安全约束。
需要定义Web应用程序的安全约束。
You will need to define a security constraint for the Web application.
如果一个地址，然后父模块的BIND程序的约束。
If an address is given, then the parent module has bound by the BIND program.
如果一个地址，然后父模块的BIND程序的约束。
If an address is given, then the parent module has bound by the BIND program.
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