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单词 biological shield
释义 biological shield
[¦bī·ǝ¦läj·ǝ·kǝl `shēld]
MICROBIOLOGY
A structure designed to prevent the migration of living organisms from one part of a system to another; used on sterilized space probes.
NUCLEONICS
A radiation-absorbing shield used to protect personnel from the effects of nuclear particles or radiation in the vicinity of a nuclear reactor.
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