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| 瑞利准则 | |||
| 瑞利数; 瑞利数= l3gγΔθρ/ηκ | |||
| 瑞利数 (即 Nra) | |||
| 1 第一瑞利数; 2 第二瑞利数; 3 第三瑞利数 | |||
| English thesaurus | |||
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| Ra | |||
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Rayleigh number : 2 phrases in 1 subject |
| Technology | 2 |
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