| 单词 | stationary point |
| 释义 | stationary point [`stā·shǝ´ner·ē `pȯint] ASTRONOMY A point at which a planet's apparent motion changes from direct to retrograde motion, or vice versa. MATHEMATICS 1. A point on a curve at which the tangent is horizontal. 2. For a function of several variables, a point at which all partial derivatives are 0. |
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