Conclusion the effective control infection, avoid of allergen and prevention of asthma induced factors might be the key point of prevention of asthma happening.

结论及时有效控制感染，尽量避免过敏原，防止一切诱发哮喘的因素，是防止支管哮喘发生的关键环节。

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The key to an EGR system is introduced, and the control of exhaust gas quantity recirculation quantity of that in every point at best.

EGR系统的关键就是控制废气的引入量，使废气的再循环量在每一个工作点都达到最佳状况。

youdao

At that point, typing the Control-p key combination writes the contents of the screen to your output file.

此时，键入Control - p组合键，将屏幕内容写到输出文件。

youdao

Benghazi is so dangerous because it replaces the key talking point Obama has long used to continue to discredit Republicans, after he had gained control of Iraq policy, in the one area of governance where their legitimacy and trustworthiness had been historically unquestioned.

FORBES: For Romney, Benghazi Unravels Obama's Campaign, Not His Foreign Policy

With further mention of topical issues such as immigration reform and gun control, Obama came to his key point -- that adhering to America's bedrock principles requires taking action on today's challenges.

CNN: Obama's speech ties current issues to founding principles