1.【电】四极管
1.a four-element electron tube containing an anode, a cathode, a control grid, and an additional electrode or screen grid
1.Technical improvement of making rotary tube furnace, tetrode reduction furnace in recent years is described.
介绍了近年来在制作回转管炉、四管还原炉的技术进步;
2.Tetrode is the core component of the modulator.
调制器使用真空四极管为核心部件。
3.Experimental Methods of Adjustable Tetrode Array Neurophysiology, January (IAP) 2001
2001一月(自由活动月)课程:神经生理学可调变四极管阵列的实验方法
4.A report of 20 cases of peripheral tetrode drainage in the treatment of acute fatal pancreatitis
胰周四管引流治疗急性重症胰腺炎20例报道