pleural reflection line
subtropical ridge line position
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
8 neighborhood reflection
abdominal withdraw reflection
Abnormal horizontal seismic reflection
acoustic amplitude reflection coefficient
Acoustic reflection and transmission