- 双 two; twin; both; dual
- 变频 frequency conversion
- 制 make; manufacture
- 二次变频制 double super system; double-super system
- 双变频超外差 double conversion superheterodyne; double superheterodyne
- 双变频接收机 double conversion receiver
- 双变频超外差接收机 double superheterodyne receiver; doublesuperheterodynereceiver
- 双变频超外差式接收机 dual-conversion superheterodyne receiver
- 双变 bivariant; bivariate
- 变频 [电子学] frequency conversion◇变频电路 frequency changer circuit
- 调频制 frequency modulation system
- 多频制 multifrequency system
- 二频制 two-frequency system
- 分频制 frequency division system
- 话频制 voice frequency system
- 双频制 double frequency system; double-frequency recording; two frequency system; twofold frequency system
- 四频制 quadruple-frequency system
- 双变的 bivariant; bivariate; double variant
- 双变法 double dispersion method; double variation method
- 双变面 divariant surface
- 双变区 divariant area; divariant field; divariant region
- 双变式 bivariants
- 双变系 bivariant system
- 双变性 divariancy; enantiotropy
- 变频机,变频器 frequency changer
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Last modified time:Tue, 19 Aug 2025 00:29:56 GMT