The deformation information is obtained from ultrasonic echo time delay.

软组织的形变信息是通过超声回波延迟时间得到的。

youdao

The direction of longest echo time is the direction of minimum earth stress, and the direction of greatest earth stress is perpendicular to it.

回波时间最长的方向为最小地应力方向，最大地应力方向与之垂直。

youdao

He found that the length of time it takes a sound's echo to decay is determined by the absorption of the sound's original energy by surrounding material.

他发现，声音回声衰减的时间长短取决于周围物质对声音原始能量的吸收。

youdao

He provides an astute observation: the major expense for some Echo Boomers at this time is paying on their student loans.

FORBES: Will Student Loans Delay A Major Housing Recovery?

Across the uncertain ways of space and time our hearts echo those words.

WSJ: Thomas Fleming: An English Thanksgiving, 1942

When the pair meet for a second time at the ECHO Arena, the vacant British title will also be on the line.

BBC: Tony Bellew aiming to beat Ovill McKenzie in style