backwardness meaning in English

落后性
智力迟钝

Those who were in various degree of backwardness lived inland .
那些在不同程度上较为落后的人住在内地。
The review of the research about disadvantage of backwardness
后发劣势研究述评
An analysis of the backwardness of chinese cartoon
对中国动画业落后现状的分析
On advantage of backwardness : the view of evolutionary economics
后发优势的演化创新观
A comment on the theories of the backwardness of the northeast economy
东北经济落后原因诸说评析

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