The paper analyses blood compatibility and tissue compatibility of blood pump material and compares the surface treatment technology of the current commonly-used biomaterial.
对血泵材料的血液相容性和生物组织相容性进行了分析，并且对目前常用生物材料的表面处理技术进行了比较。
Special moral education is a blood pump, an engine which conveys energy to other organs and make material exchanges with them.
专门的道德教育是一个血液密集区、一个血泵，它像发动机一般向教育肌体的其他部分运送能量并与之不断进行物质交换；
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