发展性评价理论已经提出很多年,而且在一些发达国家已经开展了大量的实践研究工作。
The theory of developmental assessment has been advanced for many years, and a great deal of practice and research has been done in some developed countries.
发展性评价理论已经提出很多年,而且在一些发达国家已经开展了大量的实践研究工作。
The theory of developmental assessment has been advanced for many years, and a great deal of practice and research has been done in some developed countries.
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