This paper expounded all technical difficult points in detail and special handling methods, including how to replenish the low frequency and draw the wavelet.
文章详细阐述了应用中的各项技术难点以及对数据进行特殊处理、补充低频、提取子波的方法。
Finally, the paper raises the contents to research on and difficult technical points to resolve.
最后，提出了实现这一目标所要研究的内容和拟解决的技术难点。
However, at building construction process the technical points of concrete pouring tends to be overlooked and its quality is difficult to control.
然而，在建筑施工过程中混凝土浇筑的各个环节中技术要点往往被人忽略，其质量问题较难控制。
However, at building construction process the technical points of concrete pouring tends to be overlooked and its quality is difficult to control.
然而，在建筑施工过程中混凝土浇筑的各个环节中技术要点往往被人忽略，其质量问题较难控制。
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