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| 1. | The earth is slightly flat at the poles, so that the polar diameter is slightly less than the equatorial |
| 地球在两极扁平一点，所以其极直径略小于赤道直径。 |
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| 2. | having the equatorial diameter greater than the polar diameter; being flattened at the poles. |
| 东西直径大于南北直径的；在两极部位是平的。 |
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| 3. | polar distance;polar diameter. |
| 极距；两极的直径 |
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| 4. | having the polar diameter greater than the equatorial diameter. |
| 南北之径大于东西直径的。 |
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| 5. | It has a circumference of about forty thousand kilometers, a polar diameter of twelve thousand seven |
| 它的周长约为40000公里，南北极直径约12714公里，赤道直径为12756公里。 |
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