好与坏,不过是两个可相互转换的名称罢了;
Good and bad are but names very readily transferable to that or this;
有很多现成的转换器可完成此任务,但其中比较好的是PEAR text _ wiki包,它可以实现在Wikitext与多个其他格式之间相互转换。
A number of ready-made converters are available for this task, but one of the better ones is the PEAR Text_Wiki package, which can convert Wikitext to and from a variety of different formats.
压电陶瓷是一种可实现机械能与电能相互转换的功能材料。
Piezoelectric ceramic is a function material which can exchange energy between mechanic and electricity.
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