结果：MRI所示的脑膜瘤瘤周水肿程度与肿瘤的良恶性程度有关联性，而与发生部位、大小无显著关联性。

Results the degree of peritumoral edema on MRI scans was related to the malignant degree of meningioma, not the location and the size of tumor.

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目的：评价近似弥散系数（ADC）在鉴别星形细胞肿瘤、瘤周水肿及正常组织中的作用，以及对星形细胞肿瘤良、恶性评估中的价值。

Purpose:To evaluate the usefulness of ADC in differentiating tumor, edema, and normal brain tissue, and in grading the malignancy of cerebral astrocytomas.

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我的六周成绩单上常常全是“优”，公民品德则是“良”，这是课堂表现好的委婉说法。

I often got straight A's on my six-week report card and a C in citizenship, which was a euphemism for good behavior in class.

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