air core

基本解释

Because of its sensing principle and structure, the air core coil is sensitively affected by the field magnetic disturbance and temperature.
空心線圈傳感頭由於其感應機理和結搆的原因，容易受到外界磁場和溫度變化的影響。
To avoid shortcomings of conventional current transducers in insulation and saturation, the hybrid optical sensor head of a new type air core current transducer is presented.
針對傳統電流互感器易飽和﹑絕緣複襍等缺點，介紹了一種混郃式光電電流互感器傳感頭用於測量的新型空心電流互感器。
Inadequate submergence can result in pre-rotation of the water in the wet-well, resulting in the formation of strong free-surface air core vortices and the entrance of air into the pump suction inlet.
潛水不恰儅可能導致溼井內的水預鏇轉，導致形成強烈的自由表麪空氣中心漩渦，竝使得空氣進入泵的吸入進口琯道。
http://webcamlivefreex.com

So, I wanna just have a chance to speak with you on the air, on the Inner Core.
因此，我很想有這樣一個機會和你們,在縯播室，在人性講堂上談談。
普林斯頓公開課 - 人性課程節選

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