conjugate direction search method
gradient direction search method
search direction vector
2-D direction of arrival
2-D direction of arrival estimation
2-dimensional direction of arrival
2wire double direction
A Borel direction of largest type
a law of run in opposite direction
a law of run in the opposite direction
A new valve of electric hydraulic control exchange direction
abrupt change in direction
abutment pressure of side direction
Acceleration in an arbitrary direction
accomplishing the direction
accuracy of direction finding