LF Line Feed

LF Line Filter

LF Line Frame

Double line-line voltage control

first line finder

line finder

line-line extreme distance

line-line topological relation in traffic network

on-line line loss

overflow line finder

second line finder

semantic line finder

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

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

Converter-LF No1-LF No2-VD-CC Flow Sheet

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