原发的颈静脉孔脑膜瘤可以有特征性的脑膜尾征并且没有流空。
Primary jugular foramen meningiomas may have a characteristic dural tail and lack flow voids.
进一步优化螺旋桨尾涡模型，并进行了实例计算与试验结果、原计算结果对比分析，结果表明改进后的尾涡模型计算结果具有更高的精度。
Practical sample is calculated and experimental test is carried out. Comparison with the previous result shows that the improved wake model gives resalls with higher accuracy.
根据本组经验认为高位胃体癌，全胃癌、多原发癌、残胃癌、胃底贲门癌应行全胃切除，术中肉眼判断癌已侵及浆膜层者宜行全胃合并脾胰尾切除。
The indications for total gastrectomy were cancer involving the whole stomach , the body, the cardia, the fundus, stump carcinoma as well as multiple primaries of the stomach.
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