名词
中文翻译：极性测试仪
同义词：
['polarizer', 'polarimeter']
例句：
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1.The polarity tester was used to measure the polarization of light.
极性测试仪用于测量光的偏振。
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2.The polarity tester helped us determine the direction of the magnetic field.
极性测试仪帮助我们确定了磁场的方向。
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3. The polarity tester is essential for ensuring the proper alignment of electronic devices.
极性测试仪对于确保电子设备正确对齐至关重要。