focus-coil

基本解釋

In this paper a method which computes the ampere winding of main and auxiliary focus coil of the electron gun is introduced. It offers a reliable way to design the coil and control the output current of electric circuit.
介紹了在電子槍設(shè)計過程中,主、輔聚焦線圈安匝數(shù)的一種計算方法,為設(shè)計線圈繞組的匝數(shù)和控制電路的輸出電流提供了可靠的依據(jù)。
Care must be taken to protect the focusing coils from stray magnetic fields.
必須小心，以防止聚焦線圈產(chǎn)生寄生磁
deflecting focusing coil for camera tube
攝像管偏轉(zhuǎn)聚焦線圈
He was too shortsighted to focus on the object.
他由于近視過深而無法把視力焦點對準(zhǔn)在該物體上。
He always wants to be the focus of attention.
他總想成為注意力的焦點。