The investigation undertaken is a piece of basic research on the development of curriculum of compulsory education in the special school for mental retardation.
本调查为培智学校义务教育课程研制的基础研究。
The investigation undertaken is a piece of basic research on the development of curriculum of compulsory education in the special school for mental retardation.
本调查为培智学校义务教育课程研制的基础研究。
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