麻烦帮忙翻译一段话，翻译的好的话我还会多给分的！谢谢啦

The well-known American special education home in 1963 the first time Kirk raised LD concept. He said children LD (Learning Disabilities short LD) is that some schools with serious learning difficulties, but no obvious obstacle to children. First proposed in the Kirk based on the concept of LD, 1981 by the Federal Ministry of Education National Advisory Committee on Children defects (NACHC) put forward the "special learning disabilities" name, but to this particular LD children under clear the definition: "the so-called special LD children, is the normal intelligence, but for performance in reading, writing, computing, and other special abilities of children obstacles exist, not including movement disorders, sensory defects, the primary emotional disorders and adverse environmental or cultural deprivation academic failures caused. " At present, domestic and foreign researchers accept this basic definition.