单词	腰背
释义	腰背 yāo bèilumbar spinal cord
随便看	pulsed electron impaction source pulsed electron impact ion source pulsed electrostatic deflector Pulse Delta Modulation pulse-delta modulation pulse delta modulator pulse demagnetization pulsed emission pulsed emission current pulsed-emitter population pulse demode pulse demoder pulse demodulation pulse demodulator pulse demodulators pulsed encoder pulse density pulse density modulation pulsed envelopedetector pulsed envelope detector pulsed envelope principle pulsed-envelope principle pulse deopiking Pulse Depth Recorder Pulse descending edge