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钴60
释义
钴60gǔ[cobalt 60] 钴的一种重放射性同位素,质量数为60,由核反应堆中产生,用作γ射线源,尤用来代替镭(如治癌和射线照相术中)
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hedging transaction
Hedin
Hedjaz
hedonia
hedonic
hedonic glands
hedonics
hedonism
hedonist
hedonistic
hedonlc
hedonophobia
-hedral
hedratresia
hedrocele
-hedron
hedrosyrinx
HEDTA
Hedychium Koenig
Hedychium spicatum Ham.
hedyotine
Hedysarum L.
Hedysarum polybotrys Hand.-Mazz.
heebie-jeebies
heed
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更新时间:2026/6/13 9:37:12