此举突显出唱片公司打算在全球范围内对互联网公司施加法律压力的决心。 它们认为，这些互联网公司在没有获得批准的情况下，使用户能够获得它们的歌曲。

The move highlights the determination of record companies to pile legal pressure on internet companies globally that they believe are making their songs available to users without approval.

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本文用磁场元的叠加法计算二维变化的磁场所产生的涡旋电场，解决了在普通物理学范畴内通常无法解决的问题，并用此法求解了两个算例。

In this paper, the vortex electric field is computed. It is caused by magnetic field subject to two dimensional change. This problem can't be solved in general physics. Two examples are listed.

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例如，有一天上午，彼得的班上进行数学测验，测验内容是非常大的数字的加法，需要在20分钟内完成。

For example, one morning the children in Peter's class were set a maths test. They had to add up some very large Numbers, and they had twenty minutes to do it.

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