Ea can increase the secretion and expression period of NGF in rats ischemic cortex, and this may be one of its protective mechanisms for ischemic cerebral damage.
电针可以增加大鼠脑缺血区皮层ngf的分泌和表达时程，这可能是其保护缺血性脑损伤的机制之一。
In this paper, the effect of irregular topography on ea-thquake motion and earthquake damage is studied by the finite element method.
本文应用有限元法研究了不规则的孤突地形对地震动及震害的影响。
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