“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	Bessel transform BesselY BesselYZero Bessemer process besshi-type deposit Bessie Head Bessie Smith best Best 100 Plays of Yuan Zaju Drama best 3 early actors of Peking opera best 3 later actors of Peking opera best algebraic approximation best algorithm best approximate solution best approximation best approximation by splines best approximation in quadratic norm best approximation in the mean best approximation method best approximation polynomial Be star Be stars best asymptotically normal estimate Best Book Design from All over the World best-bound rule

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。