Parallel line assumption
parallel attack＝ parallel method＝parallel fire suppression
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
16-bit-word parallel boot
2D Massively Parallel Acquisition
2-DOF spherical parallel mechanism
2PUS-PU parallel mechanism
3-(2SPS) parallel mechanism
3-3R spherical type parallel mechanism
3-7R parallel decoupling mechanism
3-axis and Parallel Control