| 释义 |
connectivity|kɒnɛkˈtɪvɪtɪ|
[f. connective a. + -ity.]
The characteristic, or order, or degree, of being connected (in various senses). Also attrib.
1893A. R. Forsyth Theory of Functions §160 For a simply connected surface,..we shall say that the connectivity is unity. 1918Veblen & Young Projective Geom. II. §188 The number P is called the connectivity of the polyhedron. 1928A. S. Eddington Nature Phys. World xii. 255 This connectivity of pointer readings, expressed by physical laws,..supplies the continuous background. 1941Courant & Robbins What is Math.? v. 244 The degree of connectivity of a domain in the plane is an important topological invariant of the domain. 1957Encycl. Brit. XIV. 805/1 The manifold is said to have the connectivity k if the maximum number of simple, closed curves that may be traced upon it without separating it into two or more pieces is k- 1. Ibid. XX. 942/2 The integer 2 minus the characteristic of a polyhedron is known as the connectivity number of the polyhedron. 1964E. Bach Transformational Gram. vii. 156 Of every two items a, b in a string, either a precedes b or b precedes a (connectivity). 1964J. Z. Young Model of Brain p. vi, The microelectrode..follows closely in the study of connectivity. |
