- pole curve
- 本体极迹
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
Pole weapon — A selection of polearms, mostly halberds A pole weapon or polearm is a close combat weapon in which the main fighting part of the weapon is placed on the end of a long shaft, typically of wood, thereby extending the user s effective range. Spears … Wikipedia
Osculating circle of a curve — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… … The Collaborative International Dictionary of English
Keeling Curve — The Keeling Curve is a graph showing the variation in concentration of atmospheric carbon dioxide since 1958. It is based on continuous measurements taken at the Mauna Loa Observatory in Hawaii under the supervision of Charles David Keeling.… … Wikipedia
Pedal curve — Geometric construction of the pedal of C with respect to P In the differential geometry of curves, a pedal curve is a curve derived by construction from a given curve (as is, for example, the involute). Let C be a given curve and P a fixed point… … Wikipedia
Dual curve — Curves, dual to each other; see below for properties. In projective geometry, a dual curve of a given plane curve C is a curve in the dual projective plane consisting of the set of lines tangent to C. There is a map from a curve to its dual,… … Wikipedia
Roulette (curve) — [ |right|thumb|250px|Construction of a roulette: specifically, a cissoid of Diocles.] In the differential geometry of curves, a roulette is a kind of curve, generalizing cycloids, epicycloids, hypocycloids, and involutes. Roughly speaking, it is… … Wikipedia
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Orbital pole — The orbital poles of the Solar system. The yellow dot in the centre is the Sun s North pole. Jupiter s orbital pole is in orange, Mercury in pale blue, Venus in green, Earth in blue, Mars in red, Saturn in violet, Uranus in grey and Neptune in… … Wikipedia
Logarithmic curve — Logarithmic Log a*rith mic, Logarithmical Log a*rith mic*al, a. [Cf. F. logarithmique.] 1. Of or pertaining to logarithms; consisting of logarithms. [1913 Webster] 2. Using logarithms; as, logarithmic graph paper; a logarithmic scale. [PJC] 3.… … The Collaborative International Dictionary of English
Liberty pole — Liberty Lib er*ty (l[i^]b [ e]r*t[y^]), n.; pl. {Liberties} ( t[i^]z). [OE. liberte, F. libert[ e], fr. L. libertas, fr. liber free. See {Liberal}.] 1. The state of a free person; exemption from subjection to the will of another claiming… … The Collaborative International Dictionary of English
Polar coordinate system — Points in the polar coordinate system with pole O and polar axis L. In green, the point with radial coordinate 3 and angular coordinate 60 … Wikipedia