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2012年江苏高考题中,有一道万有引力与航天题,提及“拉格朗日点”问题。什么叫拉格朗日点?抢占拉格朗日点有什么重要的战略意义?拉格朗日点有什么要求?哪些星系存在拉格朗日点?怎样计算出拉格朗日点的位置?本文从中学物理教学的角度,对这一系列问题作了一些简要介绍,供大家参考和进一步挖掘其高考和竞赛题的要素。
Jiangsu 2012 college entrance examination questions, there is a joint problem of gravitation and aerospace, referred to “Lagrange point ” issue. What is a Lagrange point? What are the important strategic implications for seizing a Lagrange point? What are the requirements for a Lagrange point? Which galaxies have a Lagrange point? How do you calculate the Lagrange point? This article from middle school physics teaching point of view, has made some brief introduction to this series of questions for everybody’s reference and further excavates its entrance examination and the contest element.