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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