In addition, external energy appears as heat.
此外，外能还表现为热。
Work without external power, energy saving.
工作时不需外界动力，节省能源。
The atoms are excited by being irradiated with energy from an external source.
原子受到外部能源的照射而激发。
In addition, as used in the external object to power and energy.
另外，要看作用于物体的外部力量与能量。
In addition, as used in the external object to power and energy.
另外，要看作用于物体的外部力量与能量。
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