| 释义 |
commutativity|ˌkɒmjuːtəˈtɪvɪtɪ|
[f. commutative a. + -ity.]
The ability of two or more quantities to commute (see commute v. 7).
1929Condon & Morse Quantum Mech. i. 14 The non-commutativity of the operation which passes for p in the wave equation and its associated q. 1947H. Reichenbach Elem. Symb. Logic 149 The principle of commutativity of all-operators. 1964Camb. Rev. 24 Oct. 51/2 The commutativity (or anticommutativity) of the field operators at space-like distances. |