least square line

non-line square

coaxial line with square outer conductor and circular inner

least square straight line fit

Square coaxial line

Double line-line voltage control

line-line extreme distance

line-line topological relation in traffic network

on-line line loss

loss-free line (=lossless line =lossless transmission line)

SDSL Single-Line Digital Subscriber Line，Single-Line DSL

error; integral of square; integrated square error; ISE

error; integrated square; integral of square error; ISE

integral of square error; integrated square error; ISE

integrated square error; integral of square error; ISE

square law demodulator square law detector

square root sum of square method

10-line to 4-line BCD encoder

A line used as both sterile and maintaining line