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0 Old HSK word(s):
Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
Hsk Characters:
HSK -Characters and beyond:
Gb
Big5
Eng
Rad
Mega
Triple
Multilingual
from: Universala Vortaro, Zamenhof
LZI-System (S)
[xian4 xing4 shi2 bu4 bian4 xi4 tong3 li3 lun4]
线性时不变系统理论