在一些最不发达的国家 Least Developed Country ; LDC
这是不打算要有效地在最不发达国家。
在过去的50年里，其人口增长率是在最不发达国家中最快的。
Over the past 50 years, the rate of increase in population has been fastest in the least developed countries.
在最不发达国家，大约有70%的人口以第一产业-主要是农业为生。
In the least developed countries about 70 percent of people make a living from the primary industries, mainly agriculture.
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