分析了低压660V供电较380V供电的优越性，如提高了线路的输电能力；在电缆长度和截面不变的情况下，其输送功率扩大3倍；
It is analyzed that low voltage 660V power supply has superiorities over that of 380V, such as high power transmission ability, low loss of power and improvement of protection and power quality.
为了紧跟用户需求，也因为传统桌上型和机架型伺服器对空间和功率的需求，资料中心必须以惊人的速度扩大物理设备的容量。
To keep up with user demand and because of the space and power demands of traditional tower and rack-mount servers, data centers are being forced to expand their physical plant at an alarming rate.
下一代移动通信的目标是以最低的代价（带宽、功率、复杂度）为日益扩大的用户群提供更加可靠、高速的宽带数据业务。
The next generation mobile communication systems aim at providing higher quality and data rate transmission at the minimum lost (power, bandwidth or complexity ) in finite wireless resource.
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