天线极化 Polarization ; polarization of an antenna ; [电讯] antenna polarization
线极化 [电子] linear polarization ; Linear
无线极动鲨 Standard Wireless Optical Mouse
螺线极点 [数] spiral point
无线极动鲨-白 Standard Wireless Optical Mouse
天线极板 antenna pad
无线极动鲨-黑 Standard Wireless Optical Mouse
阴极射线极谱仪 [电子] cathode-ray polarograph
无线极动鲨白 Standard Wireless Optical Mouse
他们关注的不是星辰偕日升降，也不是地平线附近的星辰，而是永不落下的北极星和拱极星。
They concentrated attention, not on heliacal risings and Settings, not on the horizon, but on the pole star and on the circumpolar stars which never rise and never set.
等离子体在弧形内沿着磁力线滑动，和铁屑在磁体两极之间呈现的弧形一样。
Just as iron filings arc from one end of a magnet to another, the plasma is sliding in an arc along magnetic field lines.
以很多小段赫芝偶极之完整电磁场合成一任意线电流之近场与远场电磁场。
The near and far electromagnetic field are synthesized by summation of the electromagnetic field of short current segments or Hertz dipoles.
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