重点回顾了20世纪放射性同位素电池的研发历史和空间发射现状；
This paper retrospects to the developing history and usage status of radioisotope thermoelectric generator (RTG) used in space in the 20th century.
太阳能电池板将提供电力，而放射性同位素加热器单元能够经受火星的严寒气候。
Solar panels will supply power and radioisotope heater units will help it withstand the extreme cold on Mars.
研究人员展示了一块一便士大小的“核能电池”，该电池可利用放射性同位素的衰变产生电能。
Researchers have demonstrated a penny-sized "nuclear battery" that produces energy from the decay of radioisotopes.
研究人员展示了一块一便士大小的“核能电池”，该电池可利用放射性同位素的衰变产生电能。
Researchers have demonstrated a penny-sized "nuclear battery" that produces energy from the decay of radioisotopes.
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