 |
| English | Chinese |
| Abbe double-diffraction principle | 阿培氏两次衍射原理 |
| double data structure | 复式数据结构指由图矩阵和布尔表达模式组成 |
| double weight paper | 复合相纸指厚纸基相纸 |
|
| English | Chinese |
| Abbe double-diffraction principle | 阿培氏两次衍射原理 |
| double data structure | 复式数据结构指由图矩阵和布尔表达模式组成 |
| double weight paper | 复合相纸指厚纸基相纸 |