This paper retrospects to the developing history and usage status of radioisotope thermoelectric generator (RTG) used in space in the 20th century.
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.
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；
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