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单词
picosecond
释义
pico
sec
ond
/ˈpiːkəʊsɛkənd
/
/ˈpʌɪkəʊsɛkənd
/
(abbreviation
ps
)
noun
One trillionth of a second:
the first picosecond of the Big Bang
...
A typical chemical reaction takes place on a timescale of about a picosecond.
In contrast, most current MD simulations for larger realistic systems are usually restricted to a few nanoseconds or picoseconds.
They plan to use a UV laser to fire a 5-joule pulse lasting less than half a picosecond.
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更新时间:2026/8/3 7:53:24