(a) Optics (originally) †the angle between a line or ray of light and a surface on which it falls (obsolete); (in later use) the angle between a…
| 单词 | θ105528 |
| 释义 | the world > space > direction > [noun] > direction with respect to that of another > deviation from vertical or horizontal > angle formed by (1) angle of incidence1626 (a) Optics (originally) †the angle between a line or ray of light and a surface on which it falls (obsolete); (in later use) the angle between a… |
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