As a noun sd
is , standard deviation.
As an initialism sdf is
(military|japan) self defense]] [[force|force.
sd
Translingual
Symbol
(
head)
The ISO 3166-1 two-letter (alpha-2) code for Sudan.
ISO 3166-1
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sdf
English
Initialism
(
Initialism)
(
en noun)
(military, Japan) Self Defense]] [[force, Force
Derived terms
* (Japanese military) JSDF , MSDF , ASDF , GSDF , JMSDF , JASDF , JGSDF
Anagrams
*
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