WTC

  • WTC 1WTC 2 ()
  • WTC
  • WTC
  • WTC 1



WTC 1WTC 2 ()

WTC
WTC WTC 1103WTC 256 (1)WTC 2WTC 1; (2); (3); (4)(); (5)

WTC
NISTWTC 2


inward-the WTC2.



WTC87%; 13% 2001911


WTC 12

  • ;
  • ;

WTC 1
WTC 1()WTC 1()

NIST48 NIST37

NIST1.42(20s30s) 1-1/260

WTC2

6%

124060WTC 1 20


1 2