second difference
| transformation
| second difference | |
| busin. | 二阶差分 |
| transformation | |
| forestr. | 树种变更 |
| geophys. | 变 换 |
| hydroel.st. | 变换; 变化 |
| hydroel.st. од. | 转化 |
| met. | 变形; 压力加工; 轧制; 相变 |
| space | 转换 |
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| 二阶差分 | |||
| 二次差 | |||
| English thesaurus | |||
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| SD | |||
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second difference : 10 phrases in 6 subjects |
| Aviation | 1 |
| Business | 2 |
| Information technology | 1 |
| Physics | 1 |
| Polymers | 1 |
| Technology | 4 |