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| longitude | |||
| longitude Distance in degrees east or west of the prime meridian at 0° measured by the angle between the plane of the prime meridian and that of the meridian through the point in question, or by the corresponding time difference | |||
| longitude: 38 短语, 12 学科 |
| 一般 | 2 |
| 卫星通讯 | 1 |
| 天文学 | 13 |
| 技术 | 3 |
| 生命科学 | 4 |
| 电子产品 | 4 |
| 统计数据 | 1 |
| 自然科学 | 1 |
| 航空 | 1 |
| 运输 | 1 |
| 通讯 | 5 |
| 高能物理 | 2 |