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| 秒号" | |||
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| 秒的符号"：3° 5' 30"读作 three degrees five minutes and thirty seconds 3度5分30秒 | |||
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second-mark : 5 do fraz, 2 tematyki |
| Geodezja | 1 |
| Technika i technologia | 4 |
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| 秒号" | |||
| |||
| 秒的符号"：3° 5' 30"读作 three degrees five minutes and thirty seconds 3度5分30秒 | |||
|
second-mark : 5 do fraz, 2 tematyki |
| Geodezja | 1 |
| Technika i technologia | 4 |