It takes part in bus communication, but when an error has been detected a passive error flag shall be sent.
它能参与正常通信，但当检测到错误时发送的是被动错误标志。
Recent years, the passive safety of large bus and coach has been studied deeply by foreign countries, and good effects have been achieved.
近年来，国外大客车被动安全研究进展迅速，并取得了良好的效果。
To ensure driving safely, a large quantity of active and passive safety devices are widely used on coaches, which greatly improve bus safety than before.
为保证行车安全，大量主动、被动安全装置在客车上得到广泛应用，客车的安全性较以前有了很大提高。
To ensure driving safely, a large quantity of active and passive safety devices are widely used on coaches, which greatly improve bus safety than before.
为保证行车安全，大量主动、被动安全装置在客车上得到广泛应用，客车的安全性较以前有了很大提高。
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