| 单词 | principal plane |
| 释义 | principal planenoun Optics.a plane that is perpendicular to the axis of a lens, mirror, or other optical system and at which rays diverging from a focal point are deviated parallel to the axis or at which rays parallel to the axis are deviated to converge to a focal point. Words nearby principal planeprincipality, principally, principal nursing officer, principal optic axis, principal parts, principal plane, principal point, principal quantum number, principal rafter, principal value, principate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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