Some sedatives produce the paradoxical effect of making the person more anxious...一些镇静剂适得其反，加重了患者的焦虑。Some sedatives produce the para-doxical effect of making the person more anxious.一些镇静剂适得其反，加重了患者的焦虑。Objective : To inve...
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...