“对于第一个实验对象，经过大约20小时的训练，他的数字跨度从7上升到20。”爱立信回忆道。
"With the first subject, after about 20 hours of training, his digit span had risen from 7 to 20," Ericsson recalls.
此外，新的数字技术已使得股票交易更迅速、信息使用更快捷，且因此使得金融市场中注意力的时间跨度更短暂。
In addition, new digital technologies have allowed more rapid trading of equities, quicker use of information, and thus shorter attention spans in financial markets.
当前有关数字记录状态的规则是：数据的存储期决不能超过其必要时间跨度，因为这样数据可能会被误用或者由于不注意而泄漏。
Current rules on digital records state that data should never be stored for longer than necessary because they might be misused or inadvertently released.
其结果跨度很大，在具备通常配置的机器上，它可能是非常小的数字，在那些家庭和工作中不多见的特殊配置上，又可能是非常大的数字。
The results range from the very small Numbers on very reasonable machines to very, big Numbers on fantastic setups that you are unlikely to see at home or at work.
其结果跨度很大，在具备通常配置的机器上，它可能是非常小的数字，在那些家庭和工作中不多见的特殊配置上，又可能是非常大的数字。
The results range from the very small Numbers on very reasonable machines to very, big Numbers on fantastic setups that you are unlikely to see at home or at work.
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