这个年龄段的主要死亡原因也在变化。
The leading causes of death in this age group are also changing.
使用烟草是可预防的主要死亡原因。
冠心病是人类主要死亡原因之一。
手术并发症为主要死亡原因。
主要死亡原因是心血管病变，其次为感染。
The first cause of death was cardiovascular lesion, and the second was infection .
冠心病是全世界范围内的主要死亡原因之一。
Coronary artery disease is the leading cause of death worldwide.
冠心病是西方国家的主要死亡原因，第一位的。
The first cause of death is CHD in western country, but second in China.
因饮食不洁致病而死是当时的主要死亡原因之一。
The food born-diseases were one of the main causes of death.
心血管疾病已成为目前世界发达国家的主要死亡原因。
The cardiovascular disease has become the present world developed country the main cause of death.
前言：目的：了解蒙古族居民出生、死亡情况及动态变化、主要死亡原因。
Objective: To know the status of birth, death, mortality changes and death cause among Mongolian.
前言：目的：了解蒙古族居民出生、死亡情况及动态变化、主要死亡原因。
Objective: To know the status of birth, death, mortality changes and death cause among Mongolian.
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