名词
中文翻译：环形线圈
同义词：
['annular ring', 'annular wire', 'annular core例句：1. The engineer designed the annular coil for the new machine.（工程师为新机器设计了环形线圈。）']
例句：
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1. The engineer designed the annular coil for the new machine.
工程师为新机器设计了环形线圈。
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2. Annular coils are used in many applications to provide a stable magnetic field.
环形线圈在许多应用中被使用，以提供稳定的磁场。
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3. The annular coil was crucial in the device's operation.
环形线圈在设备的操作中至关重要。