The short period from disease onset to death and reduced mortality from treatment with vitamin A suggest the need for rapid, field-based treatment early in the outbreak.
麻疹患者一旦发病，很快就会死亡，而补充维生素A的治疗方式可以降低死亡率，这二者说明在发病早期需要提供迅速的上门治疗服务。
The field experiment showed that the mortality of the M. alternatus larvae treated by S. guani with B. bassiana was 61.1%, by S. guani was 40.8%, and by B. bassiana was 0.0%.
林间防治试验表明：肿腿蜂携带白僵菌使松墨天牛幼虫死亡率达到61.1%，而肿腿蜂使松墨天牛幼虫的林间致死率是40.8%，白僵菌的为0。
The vast improvements made in the field of medicine have served to lengthen our life expectancy and to reduce the rate of infant mortality.
医学领域的大进步延长了我们的寿命，降低了婴儿死亡率。
Though great progress has been made in the field of cardiovascular treatment in recent years, it is still unsatisfactory because of the high mortality and disability rate.
虽然近年来在心血管领域的研究及治疗方面有了很大的进步，但是仍不令人满意，其导致的病死率、致残率仍然很高。
Though great progress has been made in the field of cardiovascular treatment in recent years, it is still unsatisfactory because of the high mortality and disability rate.
虽然近年来在心血管领域的研究及治疗方面有了很大的进步，但是仍不令人满意，其导致的病死率、致残率仍然很高。
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