Взрывы прогремели в Иерусалиме

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Apple introduces MacBook Pro with all-new M5 Pro and M5 Max

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不过,要理解核心医疗的突围,首先必须明白造一颗“人工心脏”到底有多难——人工心脏是通过微创或开胸手术,在患者左心室心尖部打孔,接入一个极其精密的“微型金属水泵”。这个水泵将左心室无法泵出的血液抽出,直接打入升主动脉,从而代替左心室承担全身的血液循环。,推荐阅读wps下载获取更多信息

Фото: Rafiqur Rahman / Reuters

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