英语词汇“four-dimensional ultrasonography”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	four-dimensional ultrasonography
释义	DictionarySeeultrasonography four-dimensional ultrasonography four-dimensional ultrasonography An ultrasonic technique, often used during pregnancy, providing images of the fetus in three dimensions and in real time. Tthe technique is called four dimensional because there are three spatial variables plus time See also: ultrasonography
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