叠加平均技术使信号产生波形融合，新波形产生，后发放成份消失等多种畸变。
The technique of summation makes a lot of signal aberration such as waveform confluence, new waveform emerging and after-discharging components dismissing.
有干旱和农园老旧的问题，缺乏维护，还有农耕的消失等，所有的原因都伤及这片完美的景致。
There was a problem of drought, a problem of aging of the plantation, a lack of maintenance and also the disappearance of the agriculture. All those factors have damaged this wonderful landscape.
湘江流域历史文化名城目前存在着建设性破坏、场所特性消失等问题，这些问题有着深层次的原因。
The historic and cultural cities in Xiangjiang river basin have problems of constructive breakage and place characteristic vanishing, and this problems have deep reasons.
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