并在常速扫描取得背景速度的基础上计算近似波阻抗。

Then approximate wave impedance is computed after background velocity has been obtained by making constant-velocity scanning.

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并在常速扫描取得背景速度的基础上计算近似波阻抗。

Then approximate wave impedance is computed after background velocity has been obtained by making constant-velocity scanning.

youdao