“learning disabilities”的概念、定义、翻译、参考文献-科学参考

单词	learning disabilities
释义	learning disabilities Encyclopedia 理学学习差异释 learning disabilities; LD学习困难学生的感官和智力正常，但在听、读、说、拼、写和计算等方面存在某种障碍，学习成绩明显低于同年级学生、远未达到教学目标的现象。
随便看	symmetric bilinear form symmetric bilinear function symmetric bilinear functional symmetric bilinear mapping symmetric binary relation symmetric block circulant matrix symmetric block design symmetric boundary condition symmetric bounded domain symmetric carve symmetric categorial grammar symmetric center symmetric channel symmetric composition symmetric computer symmetric cone symmetric configuration symmetric connection symmetric continuous group symmetric coordinate symmetric coupling symmetric covariant tensor symmetric cryptographic algorithm symmetric cryptosystem symmetric cubic graph

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。