A novel laser screen method with retroreflector for velocity measurement is introduced for some special velocity measuring occasions like wide spreading range or large caliber projectiles.

为满足弹道散布范围大或大口径弹丸的测速场合，提出了一种原向反射式激光光幕测速的方法。

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A novel Laser screen velocity measuring method with large effective screen area is introduced for some special velocity measuring occasions like wide spreading range or big-size flying objects.

针对弹道散布范围大或被测飞行物体尺寸大的测速场合，介绍了一种实现大面积有效靶区激光光幕速度测量的方法。

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At the same time, a significant share of consumer spending will shift from fuel to a wider range of goods and services, spreading shared benefits across the economy.

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Then too, New York City entrepreneurs have begun focusing on a broader range of launches in technology fields, spreading out from the traditional stronghold of digital media and marketing.

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The authors say warmer weather spreading north-westwards from continental Europe will extend the range of many species.

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