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（）是指在两个不同交易所同时买入（或卖出）同一月份、相同数量的同种品种，在有利时机同时平仓。

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（）是指在两个不同交易所同时买入（或卖出）同一月份、相同数量的同种品种，在有利时机同时平仓。

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（）是指在两个不同交易所同时买入（或卖出）同一月份、相同数量的同种品种，在有利时机同时平仓。

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（）是指在两个不同交易所同时买入（或卖出）同一月份、相同数量的同种品种，在有利时机同时平仓。<—帮考网题库

解析