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  1. control rod

    • n.
      a rod of a neutron-absorbing substance used to vary the output power of a nuclear reactor.
    • noun: control rod, plural noun: control rods

    • 更多解釋
    • IPA[kənˈtrōl räd]
    • n.
      a rod of a neutron-absorbing substance used to vary the output power of a nuclear reactor.

    Oxford American Dictionary