Objective To explore the relationship between food intakes and blood pressure in rural inhabitants of North China.
目的探讨食物摄入与血压之间的关系，为农村地区高血压的防治提供科学依据。
In modern times the education in rural area of the north China had experienced great changes from the old style to the new style and the educational organization had changed as well.
近代华北的乡村教育，经历了由旧式教育至新式教育的转变，其组织形式也发生了巨大的变化。
In modern North China rural area active changes appear in their dietary field.
在近现代以来的华北农村，人们的饮食领域出现了一些积极的变化。
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