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虽然我们有山脉、壕沟、峡谷、凹坑、陨石坑和赤道隆起,由于地球23小时56分4秒100毫秒的自转产生的离心力,使得地球赤道42公里769米40厘米处更胖,但也有由我们的月球和太阳引起的潮汐隆起,以及来自其他行星甚至遥远的恒星和星系的轻微潮汐隆起这会导致我们的海洋上升或下降,通常最大上升或下降3米,尽管我们的表面也有潮水般的隆起,至少30厘米,接近1英寸。这是地球不圆的另一个原因。—格雷戈里
While we have mountains, trenches, canyons, pits, craters, and an equatorial bulge that makes Earth 42 km 769 m 40 cm fatter at its equator due to centrifugal force from its 23 hour 56 minute 4 second 100 millisecond rotation, there are tidal bulges caused by our Moon and Sun and slightly from the other planets and even distant stars and galaxies that cause our oceans to rise an fall, usually by 3m at its maximum, though our surface is tidally bulged too, by at least 30 cm, which is nearly 1'.That's another reason Earth isn't round. - Gregory
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不要把地球想象成一个完美的圆球,把它的形状想象成一大块铝箔,把它揉成一个紧密的球
Dont think of Earth as if it were are perfectly round sphere. Think of its shape as if you were to take a large sheet of aluminum foil and crumple it up into a tight ball. - Archived
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是的。更像是你做了所有这些然后把它压扁。由于自转,地球中间比垂直直径宽。-格雷戈里
Yup.More like if you do all that and then squash it.Earth is wider in the middle than the vertical diameter because of rotation. - Gregory
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为什么你的回复格式是每句话都有自己的台词?我不明白。请解释一下。-存档
Why are your replies formatted where every sentence is its own line?I don't get it.Please explain. - Archived
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