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The double channel arbitrary wave generator based on direct digital frequency synthesis is introduced.
介绍了基于直接数字频率合成技术的双通道任意波形信号发生器。
This paper introduces the hydraulic and structure design of double channel non-jamed pump for sucking sludge .
介绍了主要用于吸泥的双流道无堵塞泵的水力、结构设计。
Objective To determine the value of the mixed fluid of heparin-urokinase on sealing the double channel catheter in hemodialysis.
目的探讨肝素尿激酶混合液在血透用双腔导管封管中的应用价值。
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