一些科学家对美国宇航局在一篇漏洞百出的论文中倾注大量心血而感到疑惑。
Some scientists are left wondering why NASA made such a big deal over a paper with so many flaws.
不幸的是，尽管业界人士在提高代码质量方面付出了巨大的心血，漏洞还是会由于各种因素产生。
Unfortunately, bugs still get introduced despite the tremendous efforts that people in the technology industry have put into producing high-quality code.
已研发出治疗心血管病的有效医疗器材，例如起博器、人工心脏瓣膜和贴补心脏漏洞的心脏贴。
Medical devices are required to treat some CVDs. Such devices include pacemakers, prosthetic valves, and patches for closing holes in the heart.
已研发出治疗心血管病的有效医疗器材，例如起博器、人工心脏瓣膜和贴补心脏漏洞的心脏贴。
Medical devices are required to treat some CVDs. Such devices include pacemakers, prosthetic valves, and patches for closing holes in the heart.
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