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single-input/single-output linear, time-invariant system
abbr., progr.	single input, single output linear, time-invariant system (ssn); single input, single output linear, time invariant system (ssn)
single input, single output linear, time-invariant system
abbr., progr.	single-input, single-output linear time-invariant system (ssn); single input, single output linear, time invariant system (ssn); single-input/single-output linear, time-invariant system (ssn)
single input, single output linear, time invariant system
abbr., progr.	single-input/single-output linear, time-invariant system (ssn); single input, single output linear, time-invariant system (ssn); single-input single-output linear time-invariant system (ssn)
single-input single-output linear time-invariant system
abbr., progr.	single-input, single-output linear time-invariant system (ssn); single input, single output linear, time invariant system (ssn)
single-input, single-output linear time-invariant system
abbr., progr.	single-input single-output linear time-invariant system (ssn); single input, single output linear, time-invariant system (ssn)

single: 18 phrases in 6 subjects

Abbreviation	11
Computer networks	1
Computers	1
Electronics	1
Information technology	1
Military	3