在收端，通过对获得的一对复侧影像幅度的联合处理(融合)，达到获得不失真的侧影像幅度的目的，且能够恢复目标的实际轮廓。

At the receive end, we can not only get the undistorted range profile image, but also get some available conclusion by use of the crasis of the extent.

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目的：讨论甲状腺肢端病(TA)的影像学表现及诊断，以提高对该病的认识。

Objective: To describe the characteristic radiographic appearances of thyroid acropachy (TA) and improve the recognition.

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影像检查是主要的诊断手段，经常，我们可以看到一个有特征性近端肠梗阻的平片，如“双泡征”。

Imaging is the mainstay of diagnosis. Often, one will see characteristic plain film findings of proximal bowel obstruction, ie "Double Bubble".

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