换轮线 transpose wheel track
对于Track Matte描述正确的是：（）
溜放线 rolling track
LTE中的跟踪区也就是Tracking Area，简称TA，跟踪区编码称为TAC（Tracking Area Code）。跟踪区是用来（）和（）的区域。
轨道衡线 weigh bridge track
You have configured OMF in your database. You enabled the ALTER DATABASE ENABLE BLOCK CHANGE TRACKING； statement to enable the block change tracking feature. What information will be written in the change tracking file？（）
机车走行线 locomotive running track
调车线 shunting track
机待线 locomotive waiting track
倒装线 inverted loading track
待班线 waiting track on duty
换装线 transhipment track
回转线 turn-around track
到发线 arrival-departure track
推送线 pushing track
What is NOT an advantage of the rhumb line track over a great circle track? （）
装卸线 loading-unloading track
线间距离 distance between tracks
梯线 ladder track
混轨线 mixed track
（）20 targets can be tracked at one time．When maximum tracking capacity is reached，no further acquisitions are possible.
线路全长 total length of track
站修所 vehicle repair track at station
The engineer hasn’t got time to track down the problem.‘To track down’ means to find out.
