swing a compass 中文意思是什麼
swing a compass
解釋
校羅盤-
A compass is essentially a magnetized needle mounted in such a way that it can swing freely.
實質上,指南針就是一個支起來能自由擺動的磁針。 -
The good news is that any disappearance of the dipole will be temporary, the halfway point along a southward swing that would leave compass needles pointing toward antarctica rather than the frozen north
值得慶幸的是,磁偶極場的消失是暫時性的,只是一種磁偶極場在做南北方向對調時,在過程中間所發生的現象。
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