“幻灯机”的概念、定义、翻译、参考文献-科学参考

单词	幻灯机
释义	幻灯机 Encyclopedia 理学〔光学仪器〕释 slide projector幻灯机一种透射式投影设备。用光学方法将幻灯片投射到银幕上观看，由光学系统、机械和控制机构、散热装置组成。幻灯片通常用135规格的彩色反转片或黑白负片翻制成的正片。
随便看	children's serum lead exceeded events in China children's stories children's testimony children's thinking development characteristic children's wear children's wear brand children's wear design Children's World children towel children trauma children with behavioral disorders children with mental retardation children with ofter health impairments children with special education needs children’s aphasia Children’s Art Children’s Art Theatre of China Welfare Institute Children’s Literature children’s literature children’s museum Children’s Pictorial children’s toy child sexual abuse child socialization Child Theatrical Company

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。