原子受到外部能源的照射而激发。
The atoms are excited by being irradiated with energy from an external source.
预计给人造心脏的新模型配备一个外部能源系统。
The new models of artificial hearts are expected to be equipped with an external power source.
当由外部能源强迫其向前运动时,空气被迫进入进气道。
When forward motion is imparted to it from an external source, air is forced.
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