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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But if above positive real condition is satisfied only within some frequency range, the convergence of FXLMS algorithm is dependent on the spreading of power spectral density of the reference signal.

若上述正实条件仅在某些频带上满足，则FXLMS算法的收敛将依赖于参考信号功率谱密度的分布。

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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.

FORBES: Auto Industry And U.S. Economy Will Benefit Under New Mileage Standards

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.

FORBES: All It Takes Is A Smile And A Hug To Jump-Start NY Tech

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

BBC: Wildlife will wander in warmer world