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| 1. | polar compound |
| 极性化合物 |
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| 2. | Motonari Chiaki is business development manager at Polar Air Cargo, a US carrier that operates 14 flights |
| Motonari Chiaki是美国航空公司Polar Air Cargo的业务拓展经理。该公司运营着每周从上海和北京出港的14次航班。 |
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| 3. | polar distance;polar diameter. |
| 极距；两极的直径 |
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| 4. | polar personalities |
| 相反的个性 |
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| 5. | polar climate |
| 极地气候 |
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| 6. | polar orbit |
| 极轨道 |
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| 7. | polar regions; |
| 极地； |
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| 8. | polar coordinates |
| 极坐标 |
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| 9. | polar tracking |
| 极轴追踪 |
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| 10. | polar bear |
| 北极熊 |
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