Methods: The graded model of rats was set up by using the dev ice of the improved fluid-percussion model, then we observed the changes of bra in tissue of rats.
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- 方法:采用自行改进的液压冲击模型装置产生大鼠液压冲击脑外伤模型,对大鼠脑组织进行肉眼和光镜观察。