A strong thermal source is visible at the base of the Eyjafjallajokull plume.
一个强大的热源是在埃亚·菲亚·德拉冰盖柱基可见。
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Microwave Plasma Thruster (MPT) is a new type of electro-thermal thruster, which has widely applied prospect because of its high specific impulse, long lifetime, low plume contaminant and so on.