名词
中文翻译：等价物
同义词：
['equivalence', 'equivalent', 'equal']
例句：
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1.The equivalency of the two currencies is based on their purchasing power parity.
两种货币的等价是基于它们的购买力平价。
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2. The equivalency of the two countries' economies is a key factor in their trade relations.
两国经济的等价是它们贸易关系的关键因素。
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3.The equivalency of the two parties' agreements is crucial for the resolution of the dispute.
双方协议的等价对于解决争端至关重要。