polarity switch

常见例句

双语例句

• Bipolar Hall Switch Sensor magnet polarity is no need to distinguish, with great flexibility and convenience.
  双极性开关型霍尔传感器则无须判别磁体极性，具有很大的灵活性和方便性。
• Its output polarity is determined by the four analog switch array controlled by an input-synchronized trigger.
  它由与输入控制电压同步的触发器控制四模拟开关阵列的开关转换来选择输出极性。
• A convenient and an essential PHASE switch is included to allow for proper subwoofer signal polarity to be selected.
  一个既方便又一个重要阶段，包括开关，以便适当的低音信号极性被选中。

权威例句

• Reality extends to the plain fact that there is no switch or level to push, pull or toggle that will instantaneously change the polarity of the flow.
  FORBES: How to Steer Your Finances Through the Recession
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