请输入您要查询的英文单词:

 

单词 multiple arc
释义

multiple arcn.

Brit. /ˌmʌltᵻpl ˈɑːk/, U.S. /ˌməltəp(ə)l ˈɑrk/
Origin: Formed within English, by compounding. Etymons: multiple adj., arc n.
Etymology: < multiple adj. + arc n. Compare French arc multiple (1807, J. Fourier).
1. Mathematics and Surveying. An arc that subtends an angle equal to an integral multiple of the angle subtended by a given arc.
ΘΚΠ
the world > relative properties > number > geometry > curve > [noun] > part of circle
arc1570
sextans1596
circumference1656
quadrant1660
quintant1684
sextant1730
octant1753
supplemental arc1754
multiple arc1802
explement1817
1802 Philos. Trans. (Royal Soc.) 92 109 Demonstrations of the series for the chord of the supplement of a multiple arc, in terms of the chord of the supplement of the simple arc.
1852 W. Smyth Elem. Plane Trigonom. 73 (heading) Expressions for the sines and cosines of multiple arcs... sin 2 a = 2 sin a cos a.
1921 Amer. Math. Monthly 28 454 This difference in each case is obtained in an expression in the sines of the multiple arcs of the other latitude in question.
1986 U. Bottazzini Higher Calculus ii. 72 Even discontinuous arbitrary functions can always be represented by expansions into sines or cosines of multiple arcs.
2. Each of two or more paths connecting the same two points of an electrical circuit. Chiefly in in multiple arc: in parallel. Now rare.
ΚΠ
1861 W. Thomson in Proc. Royal Soc. 11 321 I have formed a plan..which consists in combining the standards..in multiple arc (or ‘parallel’ arcs, according to an expression sometimes used), so as to add their conducting powers,—instead of in series..by which the resistances..are added.
1873 F. Jenkin Electr. & Magn. iv. 88 With a long circuit of great external resistance large cells, or many of them joined in multiple arc, will fail to give us strong currents.
1890 Scribner's Mag. Apr. 435/2 Another method..is the connection of the lamps across the circuit... This is called the ‘multiple arc’ or ‘parallel’ system.
1914 Philos. Trans. (Royal Soc.) B. 205 70 The coercer coil is placed in a multiple arc with the vibrator coil.
3. Mathematics. Each of two or more lines of a graph (graph n.1 1) that join the same two vertices.
ΘΚΠ
the world > relative properties > number > geometry > curve > [noun] > other
quadratrix1656
section1665
family1705
semiparabola1728
tractrix1728
witcha1760
tractory1820
sinusoid1823
tractatrix1828
indicatrix1841
hodograph1847
tetrazomal1867
space curve1875
horograph1879
hypercycle1889
Peano curve1900
multiple arc1967
unknot1971
fractal1975
analemma1978
1967 SIAM Jrnl. Appl. Math. 15 1228 We consider all arcs to have capacity one, but we permit multiple arcs between any two nodes.
1987 SIAM Rev. 29 291 A directed graph..consists of a finite non-empty set of vertices V and of a set of arcs T... Multiple arcs are not allowed.
This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022).
<
n.1802
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/23 12:41:38