Bicton Hill Circuit Track 比克顿山环形步道
Open Type Track Circuit 开放式轨道电路 ; 开路式轨道电路
short circuit track heating 轨道短路加温法
track and hold circuit 跟踪保持电路
Audio Frequency Track Circuit 音频轨道电路
coded track circuit 电码轨道电路 ; 编码轨道电路 ; 电码化轨道电路
double rail track circuit 双轨道电路 ; 双轨条式轨道电路
pulse track circuit 脉冲式轨道电路 ; 脉冲轨道电路
direct current track circuit 直流铁道电路
overlap track circuit 叠加轨道电路
The track light portfolio includes one and two-circuit track heads with dimming capability and is backwards compatible with other track systems.
轨道灯系列产品包括调光功能之一，双回路轨道灯，并与其它轨道系统向后兼容。
The news comes a day after developers of the new Circuit of Americas track said building had stopped.
这个消息发布于美国大奖赛赛道的建筑商宣布赛道停工一天后。
Complex sentence: the system shall be able to display the elapsed time for the car to make one circuit around the track within 5 seconds of the lap completion.
复合句：系统应能在车沿跑道绕行一圈后5秒之内显示这一圈花费的时间。
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