• To that end, she says the United States will work with other nations to protect freedom of expression and fight against discrimination and negative stereotyping.

    VOA: standard.2009.09.14

  • If we put a dipole that has the freedom to move, we put that dipole in an electric field, it will align itself with the field lines.

    若我们将偶极释放到自由空间中,比如说放到电场里,他们会自动排序按同一方向。

    麻省理工公开课 - 固态化学导论课程节选

  • In the months ahead the Supreme Court will have an opportunity to render important judgments about gun rights, anti-terror laws, freedom of speech and punishment for juvenile criminals.

    VOA: standard.2009.10.01

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