该文力图从注意力经济、消费者锁定、消费者预期管理等方面阐述梅特卡夫法则及其应用，即用户数量的增加可以大大提高企业网络价值，网络的价值等于网络结点数的平方。

This is author will study the application of Metcalfe Law in eyes economic, customer lock-in and customer expectation management, the accuracy of the value is square of customer number.

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当您使用资料录集来更新资料来源上的资料录时，您的应用程序可锁定资料录，因此没有其他使用者可以在同时间内更新该资料录。

When you use a recordset to update a record on the data source, your application can lock the record so no other user can update the record at the same time.

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