前积反射结构是地震剖面上的一种很重要的反射现象。
Progradational reflection configuration is a very significant reflection phenomenon in seismic section.
分析表明，由于连接电缆两端产生的反射现象导致SPD和负载上的电压振荡。
The reflection phenomena on the cables between an external SPD and the protected equipment lead to the oscillations of the voltages on the SPD and on the load.
光速大约为声速的100万倍，因此光波的反射现象可以有效地用来探测目标物及其距离。
Since the speed of light is about a million times as great as that of sound waves, the reflection of light waves may very well be applied in detecting a target and its distance.
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