boundary echo

常見例句

雙語例句

• Ultrasonic encounter impurities or boundary surface will produce significant reflection form reflex into echo, encounter moving objects can produce doppler effect.
  超聲波碰到雜質或分界面會產生顯著反射形成反射成回波，碰到活動物體能產生多普勒效應。
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• The benign and malignant breast tumors were significantly different in shape, boundary, capsules, rear echo, detection rates of minute calcification and blood flow display rates (P0.05).
  良、惡性兩組間在形態(tài)、邊界、包膜、后方回聲、微小鈣化斑檢出率、血流檢出率比較，差異均有統(tǒng)計學意義（P＜0.05）。
• Results Typical acoustic properties of complete PVD presented clearly the vitreous posterior boundary membrane echo, rugosity and slender wave form, which didn't connect with the eyeball wall;
  結果完全性玻璃體后脫離超聲表現(xiàn)可見玻璃體后界膜回聲，呈纖細波浪狀，不與眼球壁相連；
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