This paper introduces a class H insulation system of shield motor. The new insulation system is better than of silicon in irradiation resistance, breakdown strength, mechanical properties and so on.

本文介绍了一种新型H级屏蔽电动机的绝缘体系，在耐辐照方面它大大优于有机硅绝缘体系。

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Were the tax shelters that high-earners were encouraged to set up to shield themselves from high income tax rates actually better for building a sustainable, prosperous economy than the combination of low tax rates and no shelters?

FORBES: Approaching Tax Policy With the Scientific Method