| 单词 |
傅科摆 |
| 释义 |
傅科摆FùkēbǎiFoucault's pendulum傅科摆【理】Foucault pendulum傅科摆[fù kē bǎi]用来证明地球自转运动的天文仪器，一根长十几或几十米的金属丝，一端系一个重球，另一端悬挂在支架上。由于地球自转，在北半球，摆动所形成的扇状面按顺时针方向旋转；在南半球则按逆时针方向旋转。因法国科学家傅科(Léon Foucault)发明而得名。Foucault pendulum; astronomical instrument that demonstrates the rotation of the earth; made by hanging a heavy ball at one end of a long metal wire and attaching the other end to a support. The rotation of the earth causes the fan-shaped plane of oscillation to rotate clockwise in the northern hemisphere, counterclockwise in the southern hemisphere. The instrument is named after the French scientist Léon Foucault.傅科摆phr.Foucault pendulum傅科摆（一种演示地球绕轴自转的仪器）傅科摆1. [Physics] Foucault pendulum傅科摆Foucault's pendulum傅科摆Foucault pendulum傅科摆Foucault pendulum |
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