atomic clock; chronometer
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Meanings
1 sense · 3 examplesnoun
atomic clock; extremely precise chronometer utilizing the stable oscillation frequency of atoms such as cesium or rubidium
Technical term used in physics, timekeeping, and global positioning systems (GPS). The error margin is typically less than one microsecond per day.
Quán全
qiú球
dìng定
wèi位
xì系
tǒng统
yī依
lài赖
yú于
gāo高
jīng精
dù度
de的
yuán原
zǐ子
zhōng钟
lái来
bǎo保
chí持
shí时
jiān间
tóng同
bù步
。
The Global Positioning System relies on high-precision atomic clocks to maintain time synchronization.
Kē科
xué学
jiā家
shǐ使
yòng用
sè铯
yuán原
zǐ子
zhōng钟
lái来
dìng定
yì义
guó国
jì际
biāo标
zhǔn准
shí时
jiān间
。
Scientists use cesium atomic clocks to define international standard time.
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Zhè这
tái台
yuán原
zǐ子
zhōng钟
de的
wù误
chā差
měi每
tiān天
xiǎo小
yú于
bǎi百
wàn万
fēn分
zhī之
yī一
miǎo秒
。
This atomic clock has an error margin of less than one-millionth of a second per day.