“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	optical spectrum, light spectrum optical spectrum measurement method optical spin orientation optical spintronics optical Stark effect optical stimulated luminescence dating optical storage optical storage materials optical subsurface damage optical sun optical surface optical surface flaws optical surface imperfection optical surface roughness optical surveying instruments optical suspended sediments determinator optical switch optical switching optical switching integrated device optical switching network optical system optical system design optical system design (lens design) optical system parameters measurement optical table

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。