vacuum
tube ______
tube ______
举一反三
- ENIAC采用的主要元件是( ) A: Transiste B: Integrated Circuit C: Large Scale Integrated Circuit D: Vacuum Tube
- 把电路中所有元器件如晶体管、二极管等都集成在一个芯片上的器件称为 。 A: Intergrated Circuit B: Transiste C: Vacuum Tube D: Compute
- 把电路中的所有元器件如晶体管、电阻、二极管等都集成在一个芯片上的元件称为___ A: Transister B: Integrated Circuit C: Computers D: Vacuum Tube
- Which following structure belong(s) to the oviduct structure? A: Infundibulum of uterine tube B: Fimbriae of uterine tube C: Ampulla of uterine tube D: Isthmus of uterine tube E: Abdominal orifice of uterine tube
- Petrol<br/>has a low boiling point; if a little is poured into the hand it soon<br/>changes into ______. A: veil B: vapour C: vacuum D: velocity