| 单词 | electromagnetic coil |
| 释义 | > as lemmaselectromagnetic coil electromagnetic coil n. a coil consisting of one or more conductors wound around a magnetic or magnetizable core (as in an electromagnet). ΚΠ 1841 London, Edinb., & Dublin Philos. Mag. 19 141 The proportion between the resistances of the electro-magnetic coils and those of the other parts of the circuit. 1940 Rep. Progr. Physics 7 108 A two-stage projection microscope focusing the electron rays by means of iron-shielded electromagnetic coils of short focal length. 2001 I. Stewart & J. Cohen Wheelers 339 Ugly electromagnetic coils were spaced along the rails in a complex progression, designed to transfer as much momentum as possible while using the least amount of electrical power. < as lemmas |
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