Reducing emissions of greenhouse gases can substantially limit the extent and severity of long-term climate change.
减少温室气体的排放能有效控制长期气候变化的范围和严重性。
To explore the relationship between extent and severity of coronary artery disease and vascular endothelial function.
目的 探讨老年冠心病患者冠状动脉病变程度与血管内皮功能的关系。
Yes — to some extent. Drugs such as Tamiflu and Relenza can lessen the severity of bird flu, but only if patients receive treatment within the first 24 hours of showing symptoms.
一定程度上可以，达菲和瑞沙之类的药物可以降低禽流感发病的严重程度，但是必须在出现临床症状24小时内接受治疗。
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