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汉语拼音：biàn zǔ qì

可以分级或连续改变电阻大小的装置，接在电路中能调整电流的大小。通常由电阻较大的导线（电阻线）和可以改变接触点以调节电阻线有效长度的装置构成。

• A variable resister is called a rheostat.

  可以调节的电阻器叫做变阻器.

• By adjusting the rheostat, one can change the current in a circuit.

  通过拨动变阻器, 可以改变电流.

• The functional fillers act as varistors due to their boundary characteristics conditions.

  功能性填充颗粒作用如同变阻器是因为它们的晶界特性.

• Our fan kits come with a rheostat control ( like a light dimmer ) .

  我们生产的风机都安装有 变阻器.

• The degradation of zinc oxide varistors after stressed by surges is studied.

  摘要本文在探讨氧化锌变阻器经突波侵袭后所产生之劣化现象.

• The products we dealt in include all types of varistors.

  公司所经营的产品主要包括各种变阻器.

• Circuit 11, series - parallel circuit ( no sliding rheostat ).

  电路11, 串并联电路图 ( 无滑动变阻器 ).

• Circuit 12, slide rheostat and the use of electrical appliances in the circuit in parallel.

  电路12, 滑动变阻器和用电器并联在电路中.

• It adopted stepping electronic rheostat and thyristors, and had developed new direct - current motor ( DCM ) adjustable - speed circuit.

  采用步进式电子变阻器和晶闸管研制成的新型直流电机调速电路能使速度逐级平缓地变化.

• The device quantitatively demonstrating Amp è re force consists of single beam balance , magnet, ammeter, and rheostat.

  利用单盘天平、磁极 、 教学用的电表 、 变阻器等器材自制了安培力定量演示装置.