实例初始化器允许您为一个匿名内部类执行构造代码。
Instance initializers allow you to execute construction code for an anonymous inner class.
第一组闭合括弧划定一个匿名内部类的构造，第二组划定匿名内部类的实例初始化语句块。
The first set of enclosing braces delineates the construction of an anonymous inner class, and the second set delineates the instance initializer for the anonymous inner class.
它构造一种抽象形式的Erlang表达式，并返回一个匿名函数，让它以后再动态地求解。
It builds an Erlang expression in abstract form and returns an anonymous function which can dynamically evaluate it later.
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