跨度英文span。spann. 跨度，跨距；范围；vt. 跨越；持续；
双语例句
1这些快速进化的阶段被相对较长的静态跨度分隔开来，在此期间，一个物种几乎不会发生任何变化。
These episodes of rapid evolution are separated by relatively long static spans during which a species may hardly change at all.
2“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.
3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.
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