“假天仪”的概念、定义、翻译、参考文献-科学参考

单词	假天仪
释义	假天仪 Encyclopedia 历史学科学技术释 astronomical clocktower假天仪中国北宋苏颂受到浑仪小样的启发，提出制作思路，韩公廉推算设计，历时数年做成的天体演示仪器，即后来所谓天象仪的先祖。
随便看	back plane backplane back pressure heat and power cogeneration back pressure test for gas well back pressure turbine backproject backprojection operator back propagation back-propagation back propagation algorithm back-propagation algorithm back propagation network back propagation neural network back-propagation neural network back propagation of errors network back propagation，BP back reaction backreflection back reflective material backrope backsaw backscatter backscatter cross-section back scattered electron backscattered electron

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。