通过元类（meta-classes）， OpenCorba 将CORBA ORB 的内部特性分离并单独实现，从而允许系统在运行过程中监测并调整这些内部功能单元[23]。
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It consists of a number of proxies and meta-classes.
它包含许多代理和元类。
To model more complex designs, you can type tags by stereotypes and meta-classes, in addition to Boolean, string, integer, user-defined data type, and terms.
危机对更加复杂的设计建模，除了逻辑型，字符串型，整数型，用户自定义的数据类型，您可以对更加复杂的问题建模。
Beyond those examples we've seen so far, expando meta-classes also provide some complementary hooks. Four other kind of methods can be added to an expando meta-class.
除了我们已经看到的例子，expando元类也提供了一些补充的功能。
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