1. A backup big man is the most realistic need.
    备份大个子是最现实的需要。

2.

2. This paper analyzes WiMAX from the aspects of physical layer, data link layer, coverage and QoS performance. Based on the real situation of power telecommunication system, the paper discusses its applications in wireless access in MAN, substation backup access, emergency communication, distribution automation etc.
    文章从物理层、链路层、大覆盖范围、QoS性能等4个方面，对WiMAX的技术展开分析，并结合电力行业的特点，阐述了WiMAX在无线城域网、变电站接入备用通信方式、应急通信、配网自动化等方面的应用，表明了WiMAX可以作为下一代宽带无限接入技术应用于未来的电力系统通信。

3. backup man在线翻译

3. In their playoff run to the Finals, McDyess has been the key backup big man, and Campbell contributed some nice minutes against Miami that allowed the Pistons to defeat the Heat and advance.
    我们不应哭泣，因为虽然今天是个雨天，我们还有明天的太阳。

4. An insurance policy of a big man or a veteran, backup point might be just enough to make a difference on a post-season game when one game can change everything.
    大个子，老手或替补？将会有足够能力在季后赛里那些关键的比赛里使比赛变得不一样。

5. backup man的近义词

5. In the mean time, data is very vulnerable in face of natural disaster, man-made misoperations, virus and hacker attacks. Data backup, an effective means of data protection, is receiving more and more attention and application.
    而数据在各类自然灾害、人为误操作、病毒及黑客攻击等破坏面前都显得极为脆弱，数据备份技术作为数据保护的有效手段，正在得到日益广泛的应用。