本文叙述自由场互易法水声声压标准装置的原理、组成和实验结果。

This paper describes the principle, construction and experimental results of the standard apparatus for underwater sound pressure by using the free-field reciprocity method.

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提出了将杂交边界点法和双重互易法结合求解势问题的一种新的算法。

The hybrid boundary node method (HBNM) and the dual reciprocity method (DRM) are combined for solving potential problems in this paper.

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计算结果表明增加径向基函数的项数并不是改善结果的好办法，应该将更多的函数引入双互易边界元法中。

The numerical example shows that increasing the item of radial basis function is not a right way to improve the accuracy of results, and more approximation functions should be employed in the DRBEM.

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计算结果表明增加径向基函数的项数并不是改善结果的好办法，应该将更多的函数引入双互易边界元法中。

The numerical example shows that increasing the item of radial basis function is not a right way to improve the accuracy of results, and more approximation functions should be employed in the DRBEM.

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