目的：研究迟发性脑挫裂伤的早期CT表现，提出“界面征”的概念，评价其对迟发性脑挫裂伤的早期诊断意义。
Objective: to study ct features of delayed contusion and laceration of the brain, by which a new conception of interface sign was introduced and to evaluate its significance in prediction.
将硅本征氧化层与硅热氧化层两种键合界面在退火过程中的行为进行了理论分析与比较。
Wafer pairs with bonding interface being native oxide or thermal oxide have different bonding behavior in the annealing process, which were investigated and compared.
病灶边缘以分叶征、星芒状毛刺、界面锯齿征为主要特征；
Lobulation, long and stiff spiculation and sawtooth interface were imaging characteristic in their margin.
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