Then, double integration is transformed into double sum through discrete methods. And finally, we get the formula in engineering to solve such calculation with great importance in practice.

然后，应用离散方法将双重积分转化为双重求和，得出了可用于船舶空间磁场工程计算的实际公式，具有实用价值。

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The first performance of double wave shutter partition comfort, we use comfort index to sum up.

双波百叶隔断的第一个性能舒适度，我们用舒适度指数来进行总结。

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In sum, the fund may have to produce double-digit returns, which would not be that different from Berkshire's.

总而言之，该基金可能需要创造两位数利润，这将与伯克希尔公司的利润相差不大。

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Designing a new plane will cost more than double that sum and delay its arrival further, giving Boeing a four-year head start.

ECONOMIST: Cabin fever

In the case of accidental death, the claimant receives the account value and double the amount of sum assured.

FORBES: Micro-insurance: A Macro Innovation

In sum, a double boost to Mr Cardoso's chances of reaching the election without further mishap, despite continuing stockmarket fragility.

ECONOMIST: Brazil