Mean CT attenuation values between normal pancreas and tumor and the number of metastasis of liver during the different phases were compared.
比较各期扫描正常胰腺组织与肿瘤的密度差异和肝转移瘤的发现率。
Results The accuracy of MRI diagnosis rate was 100%. The MRI could demonstrate features included:(1)Double lumen with different attenuation values;
结果主动脉夹层诊断准确率100%，磁共振表现为（1）不同信号双腔影；
The values of the asymmetry attenuation fulfill the table.
非对称性衰减值符合下表。
First of all, it gives a general review, then depicts the field measurements of Q values related to the frequency, laboratory measurements of Q values and the mechanism of attenuation etc.
首先进行了一般回顾，然后对与频率有关的Q值野外实测、Q 值的实验室测定及衰减机制等问题作了概述。
The results of microwave attenuation calculated with the values of these parameters identified accord well with the experimental results. The identification results were also analyzed.
用辨识的参数预估喷焰微波衰减值与实验所得结果吻合，证明了用辨识技术研究喷焰的微波衰减特性的方法是可行的。
The results of microwave attenuation calculated with the values of these parameters identified accord well with the experimental results. The identification results were also analyzed.
用辨识的参数预估喷焰微波衰减值与实验所得结果吻合，证明了用辨识技术研究喷焰的微波衰减特性的方法是可行的。
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