SPECpower_ssj2008 also measures power in Watts and calculates a performance-to-power ratio at each of the loads.
SPECpower_ssj2008 还测量电能（以瓦特为单位）并在每个负载水平计算一个性能/电能比（performance-to-power）。
The results illustrate that weak Exposure Power and a 1:1 Beam Ratio lead to the good performance.
实验结果表明，用弱光记录和1：1的束比容易得到较好的全息存储特性。
It has a simple structure and a high performance-to-price ratio, and at the same time it can be applied to other small power DC speed governing systems of the same load types.
该装置结构简单、性价比高，也可应用于其他具有同类负载特征的小功率直流调速系统。
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