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SAT2物理常用术语词汇(V)

刚刚更新 编辑: 美国 浏览次数:201 移动端

  为了方便广大考生更好的复习,小编综合整理了SAT2物理常用术语词汇,以供各位考生考试复习参考,希望对考生复习有所帮助。>>免费申请出国留学<<

  Vector

  A vector quantity, or vector, is an object possessing, and fully described by, a magnitude and a direction. Graphically a vector is depicted as an arrow with its magnitude given by the length of the arrow and its direction given by where the arrow is pointing.

  Velocity

  A vector quantity dined as the rate of change of the displacement vector with time. It is to be contrasted with speed, which is a scalar quantity for which no direction is specified.

  Vertex

  The center of a mirror or lens.

  Virtual image

  An image created by a mirror or lens in such a way that light does not actually come from where the image appears to be.

  小编提醒:单词的记忆要靠长期的坚持,考生们一定要持之以恒,每天都拿出来看一看背一背,让这些词汇在大脑中形成长期记忆,这样就不会轻易地忘记背过的词汇了。

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