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| first order approximation | |||
| first approximation | |||
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第一 近 似值 : 3 phrases in 3 subjects |
| Construction | 1 |
| Economy | 1 |
| Technology | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
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