The removal of dams remains controversial because of high restoration costs, loss of low-cost electricity, and the loss of water storage facilities.
大坝的拆除仍然存在争议,因为高重建成本,损失低成本电力,以及损失蓄水设施。
2
With high performance, lowloss, and energy saving merits.
高性能,低损耗,具有节能低耗优点。
3
The theoretical and experimental results are presented, which show the low axial ratio and lowloss characteristics over octave frequency band of the polarizer.