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- butterfly circuit type frequency meter 蝶形电路式频率计
- tuned circuit type frequency meter 共振频率计
- circuit type frequency meter 电路式频率计
- butterfly tuner type frequency meter 蝶形调谐式频率计
- resonant circuit type frequency indicator 谐振式频率指示器
- electronic counter type frequency meter 电子计数式频率计
- vibrating reed type frequency meter 振簧型频率计
- resonant line type frequency meter 共振线路型频率计
- transmission type frequency meter 传输式频率计
- transmission-line-tuned transmission type frequency meter [电] 传输线调谐传输型频率计
- reentrant type frequency meter 凹腔式频率计
- counter type frequency meter 计数式频率计
- counting type frequency meter 计数式频率计
- The digital frequency meter produces the electriccircuit, a survey control electric circuit, a counter, a latch and thepower circuit by a 1 second pulse is composed. 数字频率计由一个1秒钟脉冲产生电路、一个测量控制电路、一个计数器、一个锁存器和电源电路组成。
- reed type frequency meter 振簧式频率计
- pointer type frequency meter 指针式频率计
- bridge type frequency meter 电桥式频率计
- absorption type frequency meter 吸收型频率表
- tuner type frequency meter 调谐式频率计
- induction type frequency meter 感应式频率计
