Whereas the FRA says that the new safety system will apply to only 65,000 miles (out of a total of over 140,000), the industry reckons it will cover more than half the network.
联邦铁路局说新安全系统将只用在65000英里铁路上（美国铁路总里程为140000英里），但铁路公司却预计该系统将覆盖总里程的一半。
Whereas the FRA says that the new safety system will apply to only 65, 000 miles (out of a total of over 140, 000), the industry reckons it will cover more than half the network.
而联邦铁路管理局说这种新型“安全控制系统”将只应用在6万5000英里铁路上(铁路总里程约为14万多英里)，但铁路行业估计它将覆盖大半个铁路网络。
Network information half-life concept system, the standard measure of theoretical research, information networks aging demonstration and applied research will be the future trend ofd…
指出网络信息半衰期概念体系、测度标准理论研究、网络信息老化实证研究和应用研究将是网络信息半衰期研究未来的发展趋势。
The invention relates to the wireless communication field and discloses a channel control method of half-duplex call, a network side device, a user terminal and a system.
本发明涉及无线通信领域，公开了一种半双工呼叫的信道控制方法、网络侧装置、用户终端和系统。
The invention relates to the wireless communication field and discloses a channel control method of half-duplex call, a network side device, a user terminal and a system.
本发明涉及无线通信领域，公开了一种半双工呼叫的信道控制方法、网络侧装置、用户终端和系统。
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