刘成的女儿早产，曾住进保温箱十天，出院后又因黄疸、肺部发育不良持续随访。儿童保健时，被检出患有先天性心脏病。没有户口，孩子无法办理医保，也无法购买商业保险，看病只能全额自费。
这意味着蒸馏从来不是「拿来用就行」的事，而是需要大量工程工作才能真正发挥效果。这本身就是一个研究课题。
。夫子是该领域的重要参考
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Throughout their mission there have always been spacecraft attached to the space station to get them - and the rest of those onboard - home if there was an emergency.
杜耀豪的母亲与兄弟姊妹的合影，摄于1954年。（受访者供图）