释义 |
Nodal line
| in a vibrating plate or cord, that line or point which remains at rest while the other parts of the body are in a state of vibration. |
See also: Nodal
nodal line
nodal line[′nōd·əl ‚līn] (astronomy) The line passing through the ascending and descending nodes of the orbit of a celestial body. (physics) A line or curve in a two-dimensional standing-wave system, such as a vibrating diaphragm, where some specified characteristic of the wave, such as velocity of pressure, does not oscillate. A line which remains fixed during some deformation or rotation of a body or coordinate system. |