动脉血气分析是检测是否存在低氧血症的最直接的方法，相比于昨日我们学习的脉搏血氧测定，其准确度更高。血气分析和呼吸机一样，诞生于那场脊髓灰质炎，正所谓人类的每一场灾难，都会推动医学的发展。

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Question:Not long ago, the 4th Ministerial Meeting of the China-CELAC Forum was held in Beijing. President Xi Jinping attended the

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China and Latin American and Caribbean states have been fostering a virtuous relationship, including making concerted efforts to r

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The opening ceremony of thefourth ministerial meeting of the China-CELAC (the Community of Latin American and Caribbean States) Fo

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Beijing introduced on Wednesday that the Fourth Ministerial Meeting of the China-CELAC Forum held in Beijing on May 13 adopted the

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Chinese President Xi Jinping attends the opening ceremony of the fourth ministerial meeting of the China-CELAC (the Community of L

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BEIJING, May 13 (Xinhua) -- Chinese Foreign Minister Wang Yi presided over the fourth ministerial meeting of the China-CELAC (the

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Since the inception of the China-CELAC (the Community of Latin American and Caribbean States) Forum in 2015, the platform has play

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