You've seen that with static languages, the compiler directly binds an invocation to an implementation at compile time.

在静态语言中，编译器在编译时直接将调用绑定到实现。

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The static and dynamic state of the service and invocation are stored in Description and Context classes, respectively.

服务和调用的静态状态和动态状态分别存储在Description和context类中。

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To use an XPath expression within parameters that expect a static string, dynamic XPath expression invocation can be done by wrapping the expression within braces ({and}).

要在期望静态字符串的参数中使用XPath表达式，可以通过将表达式封装在括号({和})中来调用动态xpath表达式。

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