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单词
picosecond
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pi•co•sec•ond
(pē
′
kə sek′ənd, pī
′
-),
USA pronunciation
n.
Time
one trillionth of a second.
Abbr.:
ps, psec
pico
- +
second
2
1965–70
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更新时间:2025/11/16 9:25:45