Subject	English	Chinese
chem.	angle-velocity-flux-contour map	角-速度-等流线图
chem.	angle-velocityflux-contour map	角-速度-等流线图
oil	equal-angle map	等角投影地图
auto.	ignition-angle from map	由图谱得出的点火角
auto.	map ignition angle	图谱曲线控制的点火角正时 (timing)
tech.	mapping angle	收敛角
tech.	mapping control chain net with angle measurements	测角图根锁 (网)
tech.	wide-angle mapping objective	广角制图物镜