“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	radar cross section testing system radar data processing radar decoy radar detection range radar digital signal processing radar display radar display and control terminal radar echo radar electronic warfare radar electronic warfare reconnaissance radar emitter identification radar equation radar exploration of the upper atmosphere radar feeder system radar guidance Radar Handbook radar homing guidance radar image radar imaging radar imaging and identification radar imaging reconnaissance satellite radar infrared homing combined guidance radar jammer radar jamming radarjamming countermeasures

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。