The volume data of the heart, face, head, thorax-abdomen were captured by the volume transducer.
利用实时三维容积探头获取容积数据，观察胎儿的心脏、颜面部、头颅、胸腹部等解剖结构。
Cymbal transducer as a result of composite of metal and piezoelectric ceramic has the less volume which is significant in application to low frequency transducer.
将金属与压电陶瓷物理复合的钹式换能器具有体积小的优点，使得其对于低频换能器设计具有重要意义。
Cymbal transducer as a result of composite of metal and piezoelectric ceramic has the less volume which is significant in application to low frequency transducer.
将金属与压电陶瓷物理复合的钹式换能器具有体积小的优点，使得其对于低频换能器设计具有重要意义。
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