介绍了三角活塞旋转发动机的工作原理，提出了气缸型线的创成方法和计算公式。
This paper introduces the operating principles of the triangle piston circulating engine and puts forward the methods to create model line of cylinder and calculating formula.
方法将54例重症脑室出血患者分为两组，对照组采用单纯双侧侧脑室前角微创穿刺，尿激酶冲洗引流治疗；
Methods Divide 54 patients with severe ventricular hemorrhage into 2 groups randomly, the first group was control group, the second group was treatment group.
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