针对我国高速公路实际情况，研制了一套紧急电话系统，并介绍了相应的软、硬件构成。
To meet the actual condition of our country, a set of emergency communication system is developed and the corresponding structure of hardware and software is depicted.
针对我国高速公路实际情况，研制了一套紧急电话系统，并介绍了相应的软、硬件构成。
To meet the actual condition of our country, a set of emergency communication system is developed and the corresponding structure of hardware and software is depicted.
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