Solenoid

['səʊlənɒɪd] or ['solə,nɔɪd]

解释:

(noun.) a coil of wire around an iron core; becomes a magnet when current passes through the coil.

安托万整理--From WordNet

解释:

(n.) An electrodynamic spiral having the conjuctive wire turned back along its axis, so as to neutralize that component of the effect of the current which is due to the length of the spiral, and reduce the whole effect to that of a series of equal and parallel circular currents. When traversed by a current the solenoid exhibits polarity and attraction or repulsion, like a magnet.

布兰得利整理

解释:

n. a helix of copper wound in the form of a cylinder longitudinally magnetised with an intensity varying inversely as the area of the normal section in different parts.—adj. Solēnoi′dal.—adv. Solēnoi′dally.

手打:玛里琳

例句:

以利沙整理

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