primary principal point
principal point of objective
principal point of photograph
secondary principal point
object of flood control protected object
accumulation point or limit point
blind point and difficult point of prescription
burning point fire point
fire point burning point
integral point by point
link mode of point to point
method of balancing the distances to fore point and to back point
point by point comparison method
Point by Point Monitoring
Point through point acupuncture
point to point communication protocol