我的眼睛有缺陷了，我看东西是双影。
我看东西出现双影。
被一个棒球打中了脸以后，我看东西都是双影的。
After getting hit in the face by a baseball, I was seeing double.
双影是什么？
如果这些还没足够软时，可能会导致unrealistic -looking双影。
If these aren't made sufficiently soft, they can cause unrealistic-looking double shadows.
双能CT也已被证明能够改进图像质量和减少伪影如射线硬化等在CT灌注成像方面的传统局限性（101）。
Dual-energy CT has also been shown to allow for improvements in image quality and reduction in artifacts such as beam hardening that have traditionally limited CT perfusion imaging(101).
咳嗽，发热，双肺结节影及骶部结节。
Cough, fever, bilateral pulmonary nodules and sacrum subcutaneous nodule.
前言： 目的：评价双能量减影在肺结核结节诊断中的应用价值。
Objective:To evaluate the value in detecting pulmonary tubercle(PT) on dual-energy subtraction(DES) with direct digital radiography (DDR).
在早期，腮腺可能表现为正常，在病变的中间过度期可能会出现双侧腮腺多发的小囊状影。
The parotid glands may appear normal in the early stages. Multiple small cysts in both parotids can be seen in the intermediate form of the disease.
目的探讨双能减影对肋骨病变的诊断价值。
ObjectiveTo investigate the application value of DR dual energy subtraction technology in rib lesions.
目的：探讨胃肠道双对比造影的伪影特征。
Objective: To investigate the characteristics of artifacts on double contrast radiography of gastrointestinal tract.
斑片型为边缘清晰或磨砂玻璃样大小不一片状影，其中1例双肺多发片状影，可见中度均匀强化。
The different size of patches with clear or ground-glass edge were sheet pattern, including 1 case with multiple patchy and moderate homogeneous enhancement.
目的评价数字化双能量减影技术在肺结节及结节内钙化诊断中的临床价值。
Objective To explore the clinical value of digital radiography with dual-energy subtraction in diagnosis of coronary artery and valve calcification.
前言：目的：用双能量减影数字X线摄影提高肺部小结节病变的检出率。
Objective: To enhance the detection rate of lung nodules disease by using dual energy subtraction digital chest radiography technique.
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；
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；
Results The accuracy of MRI diagnosis rate was 100%. The MRI could demonstrate features included:(1)Double lumen with different attenuation values;
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