关键词】 边远山区 乡村医务人员 需求 [gap=628]Key words： remote mountain area；village medical practitioner；demand ...
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remote poverty mountain areas
... acarid 螨虫 remote poverty mountain areas 边远山区 self-fertilization 自交 ...
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短语
重庆边远山区
Chongqing remote mountainous areas
北京市边远山区
remote mountainous area in beijing
边远贫困山区
remote and poor mountaious area