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sonograph是什么意思

sonograph

美[ˌsoʊnəˌgrɑːf]  英['sɒnəgrɑːf]
n.  声谱仪
  形容词:sonographic  名词:sonographer

英英释义

Noun
  1. an instrument that uses the differential transmission and reflection of ultrasonic waves in order to provide an image of a bodily organ
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