“television tuner”的概念、定义、翻译、参考文献-科学参考

单词	television tuner
释义	television tuner [`tel·ǝ´vizh·ǝn ´tü·nǝr] ^ELECTRONICS A component in a television receiver that selects the desired channel and converts the frequencies received to lower frequencies within the passband of the intermediate-frequency amplifier; for very-high-frequency reception there are 12 discrete positions (channels 2-13); for ultra-high-frequency reception continuous tuning is usually employed.
随便看	inertia of energy inertia period inertia starter inertia switch inertia tensor inertia wave inertia welding inertinite inert primer inert retarder inesite inessential mapping inevitable abortion inextensional deformation in extremis inf inface infall process infall zone infancy infant infantile amaurotic familial idiocy infantile autism infantile celiac disease infantile cortical hyperostosis

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