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关注：1
2013-05-23 12:21
求翻译：Oxygen is often prescribed by cylinders for intermittent relief of symptoms; oxygen concentrators are usually used for continuous therapy.Portable oxygen can improve self-paced walking distance and (more impressively) exercise endurance. Objective evidence of benefit is preferable before this treatment is begun.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
Oxygen is often prescribed by cylinders for intermittent relief of symptoms; oxygen concentrators are usually used for continuous therapy.Portable oxygen can improve self-paced walking distance and (more impressively) exercise endurance. Objective evidence of benefit is preferable before this treatment is begun.
问题补充： |
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2013-05-23 12:21:38
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2013-05-23 12:23:18
氧气是通常规定的油缸的间歇性症状 ; 氧气浓缩器通常用于连续治疗。便携式氧气可以改善自我的起搏的步行距离和更值得一提的是工作的毅力。 客观证据的好处是最好在这之前的治疗开始的。
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2013-05-23 12:24:58
正在翻译，请等待...
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2013-05-23 12:26:38
氧气是常明的气缸间歇缓解症状;制氧机通常用于连续治疗的影响。便携式氧气可以提高自学的步行距离和 (更令人印象深刻) 锻炼耐力。客观证据的效益要好，这种治疗开始之前。
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2013-05-23 12:28:18
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