Correct segmentation of magnetic resonance image (MRI) is very important for doctors to ascertain the shape and position of the focus, prepare cure scheme and evaluate cure effect.

磁共振图像的准确分割对于辅助医生确定病灶的位置和形状、制订治疗方案和评价治疗效果具有重要的意义。

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The calculated results show that the resonance tunneling phenomenon for the potential, which has an arbitrary shape well between double symmetric square barriers could also exist.

计算结果表明，对于两对称方势垒夹一个任意形状势阱的位势，也可能存在谐振隧穿现象。

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It is proved by FEM analysis that the proposed shape and structure of the test box can avoid resonance with the model soil.

在选定模型箱结构的外形与构造时，借助有限元分析论证了可不与模型土发生共振的箱体构造；

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