two-track的用法和样例：
例句
- This third approach involves the abolition of dual track IPO.
这就牵涉到第三种办法取消新股发行双轨制。 - A single track system in 1910,it was completely electrified and double-tracked by 1983.
它在一九一零年投入服务时是一个单轨系统，在一九八三年，已改善成为一个完全电气化的双轨铁路系统。
词汇搭配
- two track recorder 双音轨录音机...
- two track stereophonic recording 双磁迹立体声录音...
- two-beam radar track command guidance 双波束雷达跟踪指令制...
- two-track tape 两道带
