“focus lamp”的概念、定义、翻译、参考文献-科学参考

单词	focus lamp
释义	focus lamp [`fō·kǝs ´lamp] ^ELECTRICITY 1. A lamp whose filament has a spiral or zigzag form in order to reduce its size, so that it can be brought into the focus of a lens or mirror. 2. An arc lamp whose feeding mechanism is designed to hold the arc in a constant position with respect to an optical system that is used to focus its rays.
随便看	geometric distribution geometric latitude geometric mean geometric moment of inertia geometric number theory geometric programming geometric progression geometric series geometric shadow geometric vertical Geometridae geometrodynamics Geometroidea geometry geomorphic cycle geomorphology Geomyidae geon geonavigation geonium geopetal geopetal fabric geophagous Geophilomorpha geophilous

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