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- tan δmeter损耗角测试仪
- Period-doubling链Period-doubling chain
- CO2 meter二氧化碳含量计
- safe period (避孕)安全期
- 核子作战力nuclear war-fighting capability
- (=period) 期间,时期,时代pd.
- universal A-V-Ω meter万用表
- selling period (证券)销售期间
- candle meter (照度单位)烛米
- 热核子武器a thermonuclear weapon
- draw period (地下水的)抽降期
- dispatchers meter调度尺
- 一种共振现象,核子吸收伽马射线,与该核子放出的是一样的。the resonance absorption of a gamma ray by a nucleus identical to the nucleus that emitted the gamma ray.
- meter leather (无漏孔性)仪表皮革
- silence period (报务用语)静默时间
- watt-hour meter (通称电表)瓦特小时计
- 核子图nuclear subgraph
- deenergized period (继电器的)释放期间
- 核子法nucleon method
- multipoint CO2 meter多测点二氧化碳测定仪