1) outdoor power supply
户外电源
1.
And the principle of heat exchanger,structure of outdoor power supply,and the advantage of adopting such heat-exchanging mode are also introduced.
随着通讯网络的建设和发展,为解决网络肓区的覆盖问题,减少投资成本,涌现出大量的户外基站和户外型的通讯设备、供电设备,这些远程通讯设备处于恶劣的外部环境下,要承受太阳热辐射和设备本身发热的影响,所以,消除这两种热源的影响对电子设备的可靠工作至关重要,本文重点介绍户外电源所处的恶劣环境对设备的影响,以及机箱设计、散热计算、主动散热、被动散热等技术,并介绍热交换器的原理、户外电源的结构,采用热交换器方式的优势等。
2) ouydoor DV power system
户外直流电源
3) indoor power system
户内电源
1.
Traditional indoor power systems have been improved greatly in various aspects such as power density and environment adaptability.
传统的户内电源在功率密度,环境适应性等方面取得长足进步,EMC/安规和环保等设计理念在产品设计中也得到越来越多的重视。
4) outdoor cable
户外电缆
1.
It is difficult to test 35kV and below outdoor cable on rainy days for a long time.
长期以来,35 kV及以下电压等级户外电缆难以在雨天进行试验。
5) external source
外源，外电源
6) dual power sources users
双电源用户
1.
According to several conditions when power is fed inversely in power source switching to dual power sources users,this paper describes and analyzes technically the practical solutions to three different switching modes,including electric switching with power off,electric switching with power on and manual switching with power on.
针对高压双电源用户在电级切换时出现倒送电的几种情况,从技术角度上,就停电电动切换、不停电电动切换、不停电手动切换三种切换方式下采取的具体措施,进行了阐述和分析。
补充资料：合成材料的户外自然曝露试验
合成材料的户外自然曝露试验
介成妇料的外白然曝礴试验「_一，，一:二_嘿
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条