That has been observed.
| 单词 | θ1509 |
| 释义 | the world > the universe > cosmology > science of observation > [adjective] (5) observed1669 That has been observed. observatory1815 Observational; spec. of or relating to scientific observation. Subcategories:— dereddening (1) — photoclinometry (1) — remote sensing (1) |
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