| 单词 | point function |
| 释义 | > as lemmaspoint function point function n. Mathematics and Physics a function which depends on the state of a physical system, spec. the position of a point in this system. ΚΠ 1904 Ann. Math. 5 157 λ, if not constant, may be equal to any point function which yields a level surface perpendicular to the equipotential surfaces. 1975 F. W. Sears & G. L. Salinger Thermodynamics, Kinetic Theory & Statistical Thermodynamics (ed. 3) iii. 69 Work is a path function, not a point function like V , and the work in a process cannot be set equal to the difference between the values of some property of a system in the end states of a process. 2004 Jrnl. Magnetism & Magnetic Materials 271 9 The computation of demagnetization factors (either volumetric, ballistic, or point function) is an old and difficult problem, with the earliest work going back to the 19th century. < as lemmas |
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