CINQUIEME POSITION; FIFTH POSITION
plane position indication [= plane position indicator] {= PPI}
Position control(Position-keeping)
Position-to-position tool change time
QUATRIME POSITION; FOURTH POSITION
SECONDE POSITION; SECOND POSITION
TROISIME POSITION; THIRD POSITION
being simple to operate
媒体接入控制(MAC)
介质访问控制(MAC)
操作简便
BOOM build-operate-own-maintain
BOOT build-operate-own- transfer
BOT (build-operate-transfer)
BOT(Build-Operate Transfer)
Build， Own， Operate， Transfer (“BOOT”)
building-operate transfer project
build-operate-transfer approach