A line used as both sterile and maintaining line
agonic line {agonic line of no declination}
Dual purpose line with nucleic male sterile line
Fault Cutoff Line Allan Line
Male sterility line and maintainer line
velocity line of arc line short band
(intestinal) mucosa barrier
3 000 meter barrier race
4H-SiC JBS(junction barrier schottky)
a product of electron density and barrier width
absorbing sound barrier
acid geochemical barrier
activation energy barrier
active acoustic barrier
Actively controlled noise barrier