试车线 testing line 对车辆进行动态性能试验的线路，其线路标准通常应与正线一致。
公司为常柴股份设计制作的发动机试车线，目前稳定运行。
Chunlong Group designed motor hot commissioning line for Changchai co., Ltd. in 2009, which is in stable running presently.
以广州地铁2号线的专用试车线为例，分析其信号系统的设备概况、功能及特点，介绍各接口的使用情况。
Taking appropriative train test line of Guangzhou metro line 2 as an example, this paper introduces the equipment, function and characters of signal system and service conditions of interfaces.
仿真系统中的发动机数学模型是用一系列小偏差线化模型去逼进某一实际发动机的试车数据而得到的。
The engine mathematical model in the simulation system is obtained by approximation of testing data of an actual engine with a series of small deviation and linearized models.
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