波心
_
середина потока, внутри волны
bōxīn
1) center of a water-ring
2) center of trouble/instability/etc.
水中央。
в русских словах:
узкар
超声波心动描记仪
эхокардиография
超声波心动描记法 chāoshēngbō xīndòng miáojì fǎ
примеры:
超声波心动描记器一种用来显示详细的大脑图象的仪器，利用超声波发送和反射的差异来测试并无伤无痛
An instrument that in a painless and noninvasive manner uses the differential transmission and reflection of ultrasonic waves to create a detailed visual image of the brain.