Young stars are usually excluded from planet searches because they have intense magnetic fields that generate a range of phenomena known collectively as stellar activity, including flares and spots.
搜寻行星时通常把年轻的恒星排除在外，因为它们有强烈的磁场，会产生包括耀斑在内的恒星磁活动，这使得天文学家很难分辨行星和活动信号。
Broca's heirs, though, now have a range of new techniques with which to investigate the question. The best-known is a way of scanning the brain called functional magnetic-resonance imaging (fMRI).
布罗卡的后继者尽管现在有了一些新的技术来应对这些问题，其中最著名的一种是扫描大脑的的技能型磁共振成像技术(fMRI)。
By analysis of magnetic leakage effect, discusses magnetic powder detection principle and application range, borrowing physical module.
通过分析漏磁场的狭缝效应，并借用已有物理模型，探讨磁粉探伤原理模型和应用范围。
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