 |
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| human origin (MichaelBurov) | |||
| artificial origin | |||
| artificial origin (насаждения) | |||
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human-made (ART Vancouver); man-made (Potato Hill is an almost perfectly symmetrical conical formation just south of the city's lake. When I was young, I imagined that it might be man-made, but was so large that that thought never occurred to anyone else.  coasttocoastam.com ART Vancouver) | |||
| искусственное происхождение: 12 צירופים, 8 נושאים |
| אסטרונאוטיקה | 3 |
| גֵאוֹלוֹגִיָה | 1 |
| גיאופיזיקה | 2 |
| טֶכנוֹלוֹגִיָה | 2 |
| כוח גרעיני והיתוך | 1 |
| כללי | 1 |
| מכשירי חשמל | 1 |
| פלסטיק | 1 |