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研制人工心脏,即使是只能代替活的,更正确地说是代替损伤性病变或垂危的心脏几个星期甚或几天,也是一项十分复杂而艰巨的任务。它需要工程设计师、化学家以及许多其它学科的专家,当然也包括医生的努力和探索。美国与苏联在1974年签署了两国合作进行人工心脏研究的协议。彼此交流经验,并将各自研制的人工心脏送给对方进行研究和试验。两国的外科专家还将自己在进行手术时的独到之处和奥秘告诉对方。实验选用的动物为小牛。因为小牛循环系统中的血容量
The development of a artificial heart, even a replacement for a living, or rather a replacement for a lesion or a dying heart for weeks or even days, can be a very complex and arduous task. It requires engineers, chemists and many other experts in the discipline, of course, including doctors’ efforts and explorations. In 1974, the United States and the Soviet Union signed an agreement on cooperation in conducting artificial heart research. Exchange experiences with each other, and give each other’s heart for research and experiment. Surgical experts from both countries also tell each other what is unique and mysterious in their operation. The experiment selected animal is calf. Because of the calf blood circulation in the system