noun 下载 🔗分享 超外差,外差式 A receiver of this kind. Examples : "My grandfather's old radio, a superheterodyne, still works well despite its age. " 我爷爷的老收音机,是个超外差式的,虽然很旧了,但现在还能用。 electronics communication signal device machine technology technical sound frequency 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 超外差式的,超外差的。 Pertaining to a technique used in radio and television receivers to tune to a particular frequency, or to receivers using such a technique. Examples : "My grandfather's old radio, a superheterodyne model, could pick up stations from far away. " 我爷爷的老式收音机,是超外差式的,能收到很远地方的电台。 technology electronics communication signal device machine technical frequency 与AI对话词汇游戏阅读练习