“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	boundedly compact boundedly compact set boundedly compact space boundedly complete boundedly complete basis boundedly complete family boundedly complete family of distributions boundedly complete snfficient boundedly complete statistic boundedly convergent series bounded manifold bounded matrix bounded mean oscillation bounded measure bounded metric space bounded minimization bounded minimization operator bounded modular square root bounded motion bounded mu-operator boundedness boundedness from one side boundedness in probability boundedness principle boundedness theorem

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。