Metera梅特拉metern.公尺；米n.计量器；计时器vt.(用仪表)测量metering period计费周期metering of call呼叫计数meter full scale表头满标度meter type relay记录式继电器meter convention米条约metering plunger计量柱塞metering devices计量装置metering section计量剖面metering control定量调节器,排种装置调节器metering circuit仪表电路,测量电路