switching equipments是什么意思

用法例句

This paper establishes a computer simulation model for dynamic behavior of theturnout and switching equipments.

本文建立了道岔与转换设备动力作用的仿真模型，从理论上对转换设备的振动机理进行了定性分析，确定了转换设备的主振型，验证了新型转换设备安装装置对１６０ｋｍ／ｈ行车的适应性。

The necessity of constructing the local railway communication network in Panzhihua Xichang area is described in this paper,and the characteristics of IRSU is analyzed and compared with that of STU.

阐述了建设攀西铁路本地通信网的必要性 ,分析比较了远端模块IRSU与信令转换设备的特点 ,提出利用ISDN远端用户模块IRSU组建攀西铁路本地通信网的方

Great changes have taken place in working environment and conditions of switching devices which need higher demand; among two methods of internal and external lockings, the development orientation is the external locking; and both squeezing and dissqueezing switch machines develop simultaneously and specific suggestions have b.

阐述了我国铁路运输列车速度、密度和载重的不断提高,轨道结构得到进一步加强,使道岔转辙装置的工作环境和条件发生了巨大的变化,对其提出了更高的要求;内锁闭和外锁闭两种销闭方式中,外锁闭是今后的发展方向;不可挤型和可挤型转辙机并举发展,各扬其长;对我国开发新一代道岔转换设备提出了具体建议。

The use of NAT guarantee the security in the softswitch,at the same time it brings how to traversing private network.

本文给出了软交换业务中实现地址转换设备穿越的方案,并对各种常用方法进行了对比和探讨。