“二级信息”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	二级信息
释义	二级信息 second-level message
随便看	backwall photovoltaic cell backwall photovoltaic effect back wall (玻璃熔窑) backward backward acting decoder backward acting regulator backward aerofoil blade backward and bidirectional backward and forward bending test backward and forward extrusion backwardation backwardation contango backward attribute backward bending supply curve backward bent vane backward-bladed aerodynamic fan backward-bladed impeller backward brush lead backward busying backward chaining backward channel backward channel ready backward counter backward country backward creep