heptode

名词 n.
/ˈhɛp.təʊd/    /ˈhɛpˌtoʊd/

英文释义

名词 n.
  1. A compound thermionic valve containing a triode and tetrode; was used in superheterodyne radio receivers.

词形变化

heptodes plural

词源

From hept- + -ode.
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