如果婴儿过早的失去牙齿，恒牙可能会爆发式的错位长出而需要正畸。
If baby teeth are lost prematurely, the permanent teeth may erupt malpositioned and require orthodontics later on.
为了使能量在耀斑爆发前储存起来，不致过早释放，磁场结构必须是亚稳定的。
In order for the preflare energy to be stored without premature release, the magnetic field configuration must be metastable .
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