如何提高电力资产评估的质量，已成为实践提出的现实而迫切的课题，它具有重要理论研究和实际应用价值。
So how to raise the valuation quality of power enterprise becomes an urgent course in valuation study field, it has a great theoretical and practice meaning.
实验结果是在某一距离以内，压缩的数字图像信号经过低压电力线路传输后质量得到保持，具有较高的清晰度和自然度。
The testing results show that compressed digital images transmitted over low-voltage power lines maintain good quality which has high clarity and naturalness within a certain distant.
热电联产集中供热具有明显地节约能源、改善环境、提高供热质量、增加电力供应等综合效益。
Concentrated supply of heat and electricity combination has a great benefit on saving energy, improving environment, raising the quality of heat supply and increasing the electricity supply.
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