单词 | node |
释义 | node [nōd] ANATOMY 1. A knob or protuberance. 2. A small, rounded mass of tissue, such as a lymph node. 3. A point of constriction along a nerve. ASTRONOMY 1. One of two points at which the orbit of a planet, planetoid, or comet crosses the plane of the ecliptic. 2. One of two points at which a satellite crosses the equatorial plane of its primary. BOTANY A site on a plant stem at which leaves and axillary buds arise. ELECTRICITY See <<branch point>> ELECTRONICS A junction point within a network. GEOLOGY That point along a fault at which the direction of apparent displacement changes. INDUSTRIAL ENGINEERING On a graphic presentation of a project, a symbol placed at the intersection of arrows that represent activities to identify the completion or start of an activity. MATHEMATICS See <<crunode>> PHYSICS A point, line, or surface in a standing-wave system where some characteristic of the wave has essentially zero amplitude. |
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