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单词
radioisotope heating unit
释义
radioisotope heating unit
radioisotope heating unit
[
¦rād·ē·ō‚ī·sə‚tōp ′hēd·iŋ ‚yü·nət
]
(nucleonics)
A unit that contains a small amount of plutonium and may be carried on board a spacecraft to heat nearby components. Abbreviated RHU.
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更新时间:2026/4/19 19:27:49