a b c d e f g h i j k l m n o p q r s t u v w x y z Last updated on 2017/2561 6 9, a full moon day;

1.414213562373095048801688724209

1.732050807568877293527446341505

U u;

UAC

FS - . sys SYS File      
  FS + . sys SYS File    
UDF 1 . 0          
  UDF 2 . 0 0        
    UDF 2 . 0 1  (  Default  )
      UDF 2 . 5 0    

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 ... ;

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;

Uzbekistan, , , , 7;

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