线性调频脉冲是现代雷达系统中常用的一种重要的大时宽-带宽积信号。

LFM (Linear Frequency Modulation) pulse is a kind of important large time-bandwidth product signal and commonly used in modern radar system.

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当韦茅斯来到斯宽托的村庄时，他俘虏了五个人。

When Weymouth came to Squanto's village, he captured five men.

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一片暗淡的白光从左边的一大扇小方格玻璃窗里透进来，窗子和屋子一般宽，我们看时，看不见一个人；

A white, dull light fell from a large window, with tiny panes, on the left, which usurped the whole width of the room.

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There were some twelve to fifteen different widths of railroads in the Northern states alone by the 1850s, and you could go into one town on a gauge, i don't know, three feet wide but on the other side of town it would come out four feet wide.

在五十年代,单就北方州的铁道,就有十二到十五种不同的轨距,你可能在一条三英尺宽的铁道上进镇,但在另一边出镇时,它变成四英尺宽了

耶鲁公开课 - 美国内战与重建课程节选