transient internal voltage

例句：

1. 1.The transient nature of this phenomenon is not well understood.
   这种现象的暂时性质尚未得到充分理解。
2. 2.The transient memory fades quickly after the brain has shut down.
   大脑关闭后，短暂的记忆很快就消失了。
3. 3. The transient effect of the drug on the heart rate was unexpected.
   这种药物对心率的短暂影响是出乎意料的。