大多数 VoiceXML 浏览器都含有一些自动化的元素，如果输入内容与预期数据类型不匹配时这些元素将重新弹出提示。

Most VoiceXML browsers include some automated elements that will re-prompt the user if the input does not match the expected data types.

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分布式异构系统中的数据类型转换，一直是计算机、自动化领域内人们关心的重要问题。

Data type conversion in distributed heterogeneous system is all along an important problem related to the computer and automatic domain.

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