根据磁异常反演磁性介质下界面，属于非线性问题，一般很难直接求解。

The inversion of the lower interface of magnetic media on the basis of magnetic anomaly is a nonlinear problem. which it generally difficult to solve directly.

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介绍了安全阀铁心磁性能测试系统的结构、测量原理。系统软件界面设计。

This paper introduced that the structure, testing principle and boundary design of the system software for test system of the performance core of security valve.

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介绍了安全阀铁心磁性能测试系统的结构、测量原理、系统软件界面设计。

The structure, testing principle and boundary design of the system software for test system of the performance core of security valve are introduced in this paper.

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