In other words, the electric field is enclosed in the outer shield conductor and shield layer.

换句话说，外屏蔽把电场封闭在导线和屏蔽层之间。

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The gravitational shield of the giant outer planets, while highly efficient, must occasionally fail to protect Earth.

巨大的外行星的引力护盾虽然效率很高，但偶尔也会无法保护地球。

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Third, the gravitational shield of the giant outer planets, while highly efficient, must occasionally fail to protect Earth.

第三，巨大的外行星的引力屏障虽然非常有效，但偶尔也会无法保护地球。

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Together these two winds produce a shield that allows certain types of matter in the outer regions of the accretion disk area to sail away safely, said the scientists from the Goddard center.

CNN: Black holes in a new light

The Sun's magnetic field and solar wind - mainly in the form of electrons and protons coming out of the Sun - protects the entire Solar System by acting as a sort of shield from cosmic rays (very energetic particles and radiation from outer space).

BBC: Viewpoint: The Sun and climate change