...能器； 声束 [gap=1003]sed array technology； focal depth； excitation aperture； linear array transducer； acoustic beam ...
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Scanning based on bony landmark ligament enthesis adnexed. Probe unit was situated in lateral far-end of caput fibulae and sound beam direction along ligament courser.
探头位于腓骨头远端外侧,依据韧带的起止点所附着的骨性标志,声束方向沿韧带纤维束走行方向进行扫查。
参考来源 - ATFL、CFL解剖学观察及在MRI和超声中的临床应用·2,447,543篇论文数据，部分数据来源于NoteExpress
换言之，基本上超声波的传播声束极窄，这非常有利于将声波集中至指定地点，但对实际听力则无所助益。
In other words, ultrasound essentially travels in a very narrow beam — this makes it great for focusing the waves toward a desired area, but not for actual aural comprehension.
医用超声诊断设备中存在两种声束形成技术。
There are two beamforming techniques in the medical ultrasound diagnostic equipment.
结果表明，随着阵元间延迟时间的增加，声束偏转角逐渐增加。
The results show that the steered Angle of acoustic arrays increases with the delay time increasing between the neighbour elements.
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