Waves are related to oscillating systems.波动与振动系统有关.I checked to see if the needle indicating volume was oscillating.我查看了那根音量指针是否在摆动。In each cycle of operation the particle picks up energy from the oscillating eletric fie...
I checked to see if the needle indicating volume was oscillating.我查看了那根音量指针是否在摆动。Waves are related to oscillating systems.波动与振动系统有关.In each cycle of operation the particle picks up energy from the oscillating eletric fie...