; ; ; ; Updated in 2565 : on 2021 : 12 : 14 : U : u ;

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1.414213562373095048801688724209

1.732050807568877293527446341505

UAC；

ferroelectrics, piezoelectrics, ultrasonics, also see: multi time lines, Frequency Band (e.g. frequency control), ... ;

Unofficially very meaningful, a Myanmar (i.e. ethnic tribes including "Bama") should know civilization changes;

					U	P	S	I	L
O	N	,	e.g.	Υ	,	υ	;

alpha; beta; gamma; delta; epsilon; zeta; eta; theta; iota; kappa; lamda; mu; nu; xi; omicron; pi; rho; sigma; tau; upsilon; phi; chi; psi; omega; iota with dialytika; upsilon with dialytika; alpha with tonos; epsilon with tonos; eta with tonos; iota with tonos; upsilon with dialytika and tonos;

(multi time lines) artificial intelligence patterns (e.g. , , , ♯) (code pages) using translator ... ;

					user
						user		;
user	-	A	S	E	;	net	work	user	;
certificate	e.g.	www	.	usa	myanmar	.	net	.	cer
i.e.	user	certificate	;	request	e	r	,	request	i
n	g	S	S	user	;	multi	-	user	system
;	user	information	;	invoke	;	user	request	;	direct
user	;	user	traffic	;	call	ed	S	S	user
；

usu., i.e. usually; e.g. sound pressure level (usu. measured in decibel) SPL ... ; Reference to http://www.jisho.org;

UV, Ultraviolet (10 nm ~ 400 nm) wavelength ... ;

( IR Box), ( UV Box), also see: FISH;

UV index; (10 nm ~ 400 nm) wavelength ultraviolet (UV) color is commonly blue with radish color; UV can cause sunburn to skin e.g. 5 minute (extreme level UV) can cause skin damage, e.g. 10 minute (very high level UV) can cause skin damage, ... ; Also see: Weather;

UV LED (i.e. Ultra Violet LED);

- unseen by human eyes naturally;
- UV LED can scan printed money paper's light property, UV LED can scan ID's light property;
- indium (49) produces longer wave length than UV LED;
- UV LED is without mercury (mercury is a material);
- white UV LED light;

UV light; e.g.

( UV light, UV light, UV light, UV light) ... ;

Uzbekistan, , , , 7;

...

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