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非电
noncoded track circuit
- 这种总成应该具有非电镀镀镍层管状铜阀体。
The assembly shall have a electroless nickel-plated tubular copper body. - 摘要在优化的分析条件下，用高频感应燃烧红外吸收法测定非电磁感应性物质焦炭中全硫。该方法快速、简单，实际样品分析结果满意，适用于企业生产。
The total amount of sulfur in coke was determined by IR absorption under optimal conditions. The method is rapid and can be used in industrial production with satisfactory results. - 在电通信中,信息源提供一个电信号到传输器上,这个电信号通常来源于一个非电的消息信号例如声音.传输器由电器件和电子器件构成.它把信号转化为一个合适的形式,从而在传输媒介上传播.
In electrical communications the information source provides an electrical signal,usually derived from a message signal which is not electrical(e.g.sound),to a transmitter comprising electrical and electronic components which converts the signal into a suitable form for propagation over the transmission medium.
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中国词汇量第二的英语词典
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