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德国杜伊斯堡高技术公司最近研制出一种比针头还细的能在血管里流动的微型医疗系统，称之为微潜艇。这种微潜艇的直径只有0．65mm，长4mm，带有微型旋转电机，将它注射到人体血管里可以定向流动。徽潜艇的核心技术是采用计算机三维辅助快速加工工艺，将包括电机在内的微型部件
Duisburg, Germany High-Technologies has recently developed a micro-medical system that is smaller than a needle and can flow in blood vessels. It is called a micro-submarine. The micro submarine is only 0.65mm in diameter and 4mm long. It has a micro-rotating electric motor. It can be injected into the human blood vessels to direct the flow. The core technology of the emblem submarine is the use of computer-assisted three-dimensional rapid processing technology, will include micro-components including the motor