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<正>If T is an isomorphism of（co）into C（Ω）（whereΩis a sequentially compact and paracompact space,or a compact metric space in particular）,which satisfies the con- dition‖T‖·‖T-1‖≤1+∈for some∈∈（0,1/5）,then T/（‖T‖）is close to an isometry with an e