developed areas是什么意思 developed areas怎么读
developed areas的用法和样例
- Irrigation projects in undeveloped areas can change local economies.
灌溉项目在发达地区可以改变当地经济。 - Aid provided by the state and developed areas to national autonomous areas has promoted their economic development.
国家和经济发达地区对民族自治地区的支援，促进了民族自治地区的经济发展。
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