Tham khảo tài liệu 'mcgraw hill, dictionary of engineering (2003) episode 3', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | azimuth marker flight line used extensively in radial triangulation. az-o-moth lTn azimuth marker eng 1. A scale encircling the plan position indicator scope of a radar on which the azimuth of a target from the radar may be measured. 2. Any of the reference limits inserted electronically at 10 or 15 intervals which extend radially from the relative position of the radar on an off-center plan position indicator scope. az-o-moth mar-kor azimuth scale eng a graduated angle-measuring device on instruments gun carriages and so forth that indicates azimuth. az-o-moth skal azimuth-stabilized plan position indicator ENG A north-upward plan position indicator PPI a radarscope which is stabilized by a gyrocompass so that either true or magnetic north is always at the top of the scope regardless of vehicle orientation. az-o-moth jsta-bojTzd plan po zish-on azimuth transfer eng Connecting with a straight line the nadir points of two vertical photographs selected from overlapping flights. az-o-mOth azimuth traverse eng a survey traverse in which the direction of the measured course is determined by azimuth and verified by back azimuth. az-o-moth tro vors Azusa eng a continuous-wave high-accuracy phase-comparison single-station tracking system operating at C-band and giving two direction cosines and slant range which can be used to determine space position and velocity of a vehicle usually a rocket or a missile . o zus-o 42 B backacter See backhoe. bak ak-tor backband build a piece of millwork used around a rectangular window or door casing as a cover for the gap between the casing and the wall or as a decorative feature. Also known as backbend. bak band backbend build 1. At the outer edge of a metal door or window frame the face which returns to the wall surface. 2. See backband. bak bend back bias ELECTR 1. Degenerative or regenerative voltage which is fed back to circuits before its originating point usually applied to a control anode of a tube or other
