quality backwardness质量追溯
backwardness advantage后发优势
Not Backwardness不后退
science backwardness科学落后
relative backwardness相对落后
Technological Backwardness技术落后
Curriculum Backwardness教学落后
method backwardness手段落后
Section two introduces the concrete performance of the advantage of backwardness in the economic field.
第二章介绍了与后发优势并存的后发劣势。
参考来源 - 后发优势、劣势与发展中国家经济的快速发展