bottom echo meaning in Chinese
底波
底反射
底回波
底面回波
底面回声
Examples
- An universal equation , which can be directly used to compute the compensation resulted by the surface roughness , was deduced according to the flat - bottomed echo formula
根据大平底回波声压公式推导出了工件表面粗糙度和补偿量之间的关系，可直接通过计算得到表面粗糙度引起的衰减量。 - The echo of single hole was high , its front was steep edge ; the echo of dense hole was connected and uneven ; the echo of crack was high and keen - edged , the bottom echo was decline in some certain ; the echo root of bird ' s net had some small wave followed
单个孔洞反射回波高，前沿较尖锐；密集气孔回波参差不齐，根部互相连接；裂纹回波高而尖锐，底波有所下降； “鸟巢”缺陷的反射波根部有若干小波峰出现。