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。
2
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。
3
The theoretical models of point target, extended target and line target are established based on the concept of equivalent scatteringarea and laser ranging equation.