When the primary air blast wave from the explosion strikes the ground another blast wave is produced by reflection.
当爆炸引起的入射冲击波触及地面时，由于波的反射便产生另一冲击波。
When the primary air blast wave from the explosion strikes the ground, another blast wave is produced by reflection.
当爆炸引起的入射冲击波触及地面时，由于波的反射便产生另一冲击波。
The method of calculating the reflection point positions and path clearance of the electric wave at the level ground and mountainous region for the microwave relay communication is described.
本文叙述在微波中继通信中，确定和计算电波在平坦地面和起伏山地的反射点位置及路径余隙的方法。
Ground Penetrating Radar (GPR) is a geophysical prospecting method by using reflection of high-frequency electromagnetic wave to detect target and underground medium distribution.
探地雷达非一类当用上频电磁波的反射探测纲的及地上介量开布的物探方式。
Ground Penetrating Radar (GPR) is a geophysical prospecting method by using reflection of high-frequency electromagnetic wave to detect target and underground medium distribution.
探地雷达非一类当用上频电磁波的反射探测纲的及地上介量开布的物探方式。
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