时间方程式
双语例句原声例句
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早在1929年，宇宙正在膨胀这一现象就已被天文学家哈勃所注意到，这让爱因斯坦不得不修改了他那项关于空间、时间和质量的著名方程式。
The discovery of the expansion of our Universe was already noticed by astronomer Hubble a long time ago in 1929, forcing Einstein to revise his famous equations about space, time and masses.
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研究了发泡金属电极的性质，得出了描述发泡金属电极床层中宏观反应速率、反应速率随时间的变化、床层中电解液的电势分布方程式。
The characteristics of foamed metal electrodes are investigated to study electric potential distribution in electrolytes on foamed metal cathodes and the mathematical models are proposed.
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And the mathematics of that equation involved a double derivative in time of x 0 plus some constant times x equals zero with some constraints on it.
那个数学方程式,包括了x对时间的二阶导数,加上常数乘以x等于,还有一些限制条件。
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