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。
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。
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。
Practical result shows that this system is characterized by wide application range, flexible control and high cut to length accuracy. So, it merits spreading and applying extensively.
应用结果表明，该系统具有适用范围广、控制灵活及定尺精度高等特点，具有广泛的推广应用价值。
The results show that MCPA can be degraded in atmosphere and is not feasible to cause wide-spreading and persisting pollution through long range atmospheric transport.
结果表明，在大气环境中MCPA较容易降解，不会通过大气输送对环境造成广泛和持久性污染。
Their range extends from the Atlantic shore down to Georgia, Ohio, Virginia, North Dakota, spreading to Newfoundland and Quebec.
栖息范围从大西洋沿岸延伸到乔治亚州、俄亥俄州、维吉尼亚州，一直扩展到纽芬兰和魁北克省。
The process of spreading time range of controlling black coloring of stainless steel was investigated. The method is reliable and convenient.
研究了拓宽黑色膜控制时间的工艺方案，使黑色膜的色泽控制较为可靠方便，对于不锈钢着黑色生产有一定的价值。
English news is a style that covers very wide range and mainly refers to a genre spreading the information to the public in the fastest speed.
英语新闻是一种涵盖面非常广泛的综合体，主要是指以最快的速度把信息传播给大众的一种体裁。
English news is a style that covers very wide range and mainly refers to a genre spreading the information to the public in the fastest speed.
英语新闻是一种涵盖面非常广泛的综合体，主要是指以最快的速度把信息传播给大众的一种体裁。
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