popularize nine-year compulsory education
...普及九年义务教育 make nine-year compulsory education universal across the country; popularize nine-year compulsory education 普及九年制义务教育 make nine-year compulsory education universal ..
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popularize nine-year compulsory education
普及九年义务教育
以上为机器翻译结果，长、整句建议使用 人工翻译 。