The world's first and only commercial wave power plant resembles a 500-foot- (150 meter-) long, 11 foot- (3.5 meter-) wide snake that floats, half-submerged, on the sea surface.
世界做大也是唯一商业目的的波电站看上去就像一条500英尺（150米）长，11英尺（3.5米）宽，在海面漂浮着，一半浸没在海水里的蛇。
This device base such advantages that the half-wave voltage is lower and the electric feedback power is smaller.
这种装置具有半波电压低，电反馈功率小等特点。
Not allowed to use half-wave rectifier power supply.
不允许用半波整流电源。
After deeply studied in the fast Fourier transform (FFT) method, this paper presents an improved FFT algorithm considering the half-wave symmetric characteristic of power system signals.
在深入分析快速傅里叶变换(FFT)方法的基础上，针对一类电网信号具有半波对称性的特点，提出了一种改进的FFT算法。
After deeply studied in the fast Fourier transform (FFT) method, this paper presents an improved FFT algorithm considering the half-wave symmetric characteristic of power system signals.
在深入分析快速傅里叶变换(FFT)方法的基础上，针对一类电网信号具有半波对称性的特点，提出了一种改进的FFT算法。
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