求翻译：而一定时期内企业的经营资源和管理幅度是有限的，如果超过了限度，管理者可能会失去对多元化经营的控制力，无法保持其相对竞争优势。是什么意思？

A certain period of time the corporate management of resources and the management scope is limited, if you exceed the limits, managers may lose control of diversification, unable to maintain its relative competitive advantage.

In a certain period time and the resources, and management of limited range, and if it is over the limit, and managers may be loss of diversity management control, unable to maintain its competitive advantage.

But in certain time enterprise's management resources and the management scope is limited, if has surpassed the limit, the superintendent possibly can lose to the multiplex management controlling force, is unable to maintain its relative competitive advantage.

Operating resources and management of enterprises within a certain period is limited, if you exceed the limit, managers may be losing control of diversification, unable to maintain their relative competitive advantage.

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