要克服这个缺点，可以象使用映射那样动态注册并移除必要的映射。

To overcome this problem, you dynamically register and remove the necessary mappings as you use them.

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早前的一份美国法院的判决将wikileaks.org从互联网域名注册簿里移除，这使得它更难以寻找。

An initial American court ruling removed wikileaks.org from the Internet domain registry, making it harder to find.

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清单11显示了4个方法，这4个方法允许您从复杂类型中注册和移除元素映射，以及从复杂类型中注册和移除元素映射。

Listing 11 shows four methods that allow you to register and remove the element mapping from the complex type, and register and remove the element mapping from the complex type.

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