| 释义 |
ultra-audible sound
基本例句
超声
The resulting ultrasonic sound wave can then be directed out in a tightly controlled beam.由此超声音波可以用严格控制声音的方向。
Ultrasound of intra-osseous lesions in the mature skeleton would normally be precluded by almost complete reflection of sound from the cortical bone surface.由于骨皮质对超声声束的几乎完全的反射，超声显示成骨内病变较为困难。 |