以下为句子列表：
英文: In this paper, we deal with the exactness and amenability of groups of type F. We have also proved that if the rank of the group's relator is infinite,it's exactness and amenability are equivalent.
中文: 研究了F群的恰当性与顺从性．证明了这类群在关系子（relator）为无穷阶时，顺从性与恰当性是等价的；
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