Magnet system composed of main magnetic body, gradient coil and radio frequency coil.
其中磁体系统包括主磁体、梯度线圈和射频线圈。
The radio frequency coil system (34) includes N coil elements (38) which generate magnetic (H) and electric (E) fields.
所述射频线圈系统（34）包括生成磁场（H）和电场（E）的N个 线圈元件（38）。
Use this 30cm long High-Frequency Coil to test vacuum equipment for leakage or to excite electrical tubes for demonstrations.
利用30公分长的高频放电线圈来检查真空仪器是否漏气。
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