Just as iron filings arc from one end of a magnet to another, the plasma is sliding in an arc along magnetic field lines.
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。
2
Sediments washed into the basin from both the fore-arc ridge and island arc weigh down the crust in this area, creating the depression.
沉积物被从两侧的弧前脊和岛弧冲到盆地，使该处地壳承重增加，形成洼地。
3
Activation of the Universal Arc of the Covenant passage opens the diagonal Base-6 Half-step Arc passage Signet (stargate) system, activating the Helio-TA-sis Line within the Veca and Ecka Templates.