Terms containing echo method

Subject	English	Chinese
chem.	double pulsed field gradient spin echo method and NOE spectroscopy	双脉冲场梯度自旋回波法-核欧沃豪斯效应谱
met.	echo area method	回声面积法
el.	echo cancellation method	回波相消法
bridg.constr.	echo method	回音法
met.	echo method	回波法
met.	echo method	回声法
geophys.	echo ratio method	回波比率法
tech.	pulse echo method	脉冲反射法
oil	pulse-echo method	脉冲反射法
met.	pulse echo method	脉冲回波探伤法
tech.	pulse echo method	脉冲回波法
tech.	radio echo method	无线电回波法
chem.	spin-echo method	自旋回波法
tech.	spin echo method	自旋回波法
mining.	ultrasonic echo method	超声波回声法