给出这个词的同义词和反义词。
一些常见的参数有同义词，而少数具有反义词。
Some common parameters have synonyms, and a few have antonyms.
在XML文档中，需要通过各种相互关系指代人、地点和事件，从一般的关系到更加具体的关系、作用和种类、同义词和反义词。
In XML documents you need to refer to people, places, and things with inter-relationships ranging from general to more specific, part and kind, and synonym and antonym.
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