periodical rigid line inclusions

circular rigid inclusions

elliptical rigid inclusions

interfacial rigid line

multiple elliptical rigid inclusions

rigid line

rigid line inclusion

tubular spines rigid 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

10-line to 4-line BCD encoder

A line used as both sterile and maintaining line

agonic line {agonic line of no declination}

cytoplasmic male sterile line CMS-line

double line to line voltages