And they are getting better, with over 17% efficiency achieved in lab conditions.
而且它们正不断得到改善，在实验室条件下效率可达17%。
Slow efficiency at threshold is observed to be nearly constant over the wide range.
在广域范围内观测到的低效阈值近似为常数。
The system has been running for over one year with good efficiency.
该系统已运行一年多，效益良好。
Lower installed capacity and mechanical efficiency is over 95%.
较低的安装能力和机械效率是95 %以上。
The utility model can avoid roll over accident and increase operation efficiency.
本实用新型能避免翻车事故、提高作业效率。
The utility model can avoid roll over accident and increase operation efficiency.
本实用新型能避免翻车事故、提高作业效率。
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