航空电信网是实现新航行系统的基础，目前国际国内都已经开始了航空电信网的建设。

Aeronautical Telecommunication Network(ATN) under the construction in China or other counties is the basis for the CNS/ATM system.

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现在，随着民航业务的飞速发展，基于开放系统互联(osi)模型的航空电信网(atn)逐渐显示出了它的不足。

Now, as the rapid development of civil aviation, the deficiency of Aeronautical Telecommunication Network (ATN) based on the Open System Interconnection (OSI) model, becomes more and more obvious.

youdao

现在，随着民航业务的飞速发展，基于开放系统互联(osi)模型的航空电信网(atn)逐渐显示出了它的不足。

Now, as the rapid development of civil aviation, the deficiency of Aeronautical Telecommunication Network (ATN) based on the Open System Interconnection (OSI) model, becomes more and more obvious.

youdao