... shutter 快门 si prefixes si 词头 si unit si 单位 ...
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This all implies, therefore, that the next SI prefixes should be based on the Greek ennea (for nine).
ECONOMIST: Scientists measure a few yoctonewtons for the first time
Now that physicists have entered the yocto-realm in measurements, some are wondering whether it is time to begin to look at new prefixes for the SI system.
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