Police and rescue workers said everyone was killed when the plane exploded, scattering wreckage over a wide area.
警方和救援人员说,飞机爆炸时,所有人都遇难了,飞机的残骸散落在一片广阔的区域。
Effects of scattering Particulate and focal area as well as nonlinear absorption on damage thresholds of KDP crystals are reported.
报道了散射颗粒、焦斑面积和非线性吸收等对KDP晶体激光损伤的影响。
The theoretical models of point target, extended target and line target are established based on the concept of equivalent scattering area and laser ranging equation.
根据激光测距方程,引入了等效散射面积的概念,分别建立了对点目标、扩展目标和线形目标测距的理论模型。
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