Add in extracurricular activities, and the school bus system becomes the single largest public transit system in our country.

加上课外活动，校车系统已成为我国最大的单一公共运输系统。

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Dynamic simulations on a single machine infinite bus system show that AOEC has good control performance and can provide the system with sufficient damp in the transient procedure.

单机无穷大系统的动模实验表明，AOEC具有良好的控制性能，在暂态过程中能够为系统提供足够的阻尼。

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A real-time data acquisition system based on PCI Bus was introduced. The system was designed for single-ring absolute optical shaft encoder.

介绍了一种针对单圈绝对式光电轴角编码器而设计的基于PCI总线的实时数据采集系统。

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All the critical systems in a modern car -- engine, transmission, brakes, stability controls -- are linked to a single electronic system called the Controller Area Network bus, or CAN bus.

CNN: Behold the?all-seeing, self-parking, safety-enforcing, networked car