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词汇 foucault pendulum
分类 英语词汇 英语翻译词典
释义

foucault pendulum

英汉-汉英词典
傅科摆
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    the orbits of Foucault pendulum 傅科摆轨道
foucault pendulum 傅科摆
foucault pendulum experiment 傅科摆实验
foucault's pendulum 傅科摆
中文百科

傅科摆

显示傅科摆在南半球时运动的动画
在巴黎先贤祠的傅科摆。
在北极的傅科摆，当在它下面的地球旋转时，摆仍在原来的同一平面上摆动。
巴黎先贤祠 (北纬48°52')傅科摆的仿真动画，地球自转的速率已被过度的夸大。绿色的路径显示铅锤在地面上的移动 (转动的参考框架)，蓝色显示单摆的摆动平面在转动的参考座标系的移动路径。

傅科摆（英语：Foucault pendulum），是依据法国物理学家莱昂·傅科命名的，是证明地球自转的一种简单设备。虽然人们长久以来都知道地球在自转，但傅科摆第一次以简单的实验予以证明。今天，它在许多科学博物馆和大学内是很受欢迎的展品。

英语百科

Foucault pendulum 傅科摆

Foucault's Pendulum in the Panthéon, Paris
Animation of a Foucault pendulum at the Pantheon in Paris (48°52' North), with the Earth's rotation rate greatly exaggerated. The green trace shows the path of the pendulum bob over the ground (a rotating reference frame), while in any vertical plane. The actual plane of swing appears to rotate relative to the Earth. The wire needs to be as long as possible—lengths of 12–30 m (39–98 ft) are common.[6]
A Foucault pendulum at the north pole. The pendulum swings in the same plane as the Earth rotates beneath it.
An excerpt from the illustrated supplement of the magazine

The Foucault pendulum (English pronunciation: /fuːˈkoʊ/ foo-KOH; French pronunciation: ​[fuˈko]), or Foucault's pendulum, named after the French physicist Léon Foucault, is a simple device conceived as an experiment to demonstrate the rotation of the Earth. While it had long been known that the Earth rotates, the introduction of the Foucault pendulum in 1851 was the first simple proof of the rotation in an easy-to-see experiment. Today, Foucault pendulums are popular displays in science museums and universities.

近义、反义、联想词
近义词
n.
pendulum

英英词典
foucault pendulum n.
  1. pendulum with a long wire; can swing in any direction; the change in the swing plane demonstrates the earth's rotation
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