Fractal coding has been proved useful for image compression, and it is also proved effective for content-based image retrieval.

分形编码在图像压缩方面取得了很好的效果，同时也能够用于基于内容的图像检索。

youdao

The proposed moment method is of high efficiency and accuracy, and is proved useful for the accurate modeling and efficient analysis of scattering from conducting wire structures the arbitrary shapes.

所提出的方法被证明是高效且准确的，对于任意形状的线结构的准确建模和散射体的有效分析也被证明是有用的。

youdao

It has also proved quite useful to include the HTTP parameters for the current view, so that they become available in the XSL style sheets.

事实证明，包括当前视图的HTTP参数也十分有用，这样可以在xsl样式表中使用它们。

youdao

After we got to Michigan, the phones also proved useful for quick little trips in town.

WSJ: Review: iPhone Google Maps lags Android version

But he suggested that they proved a useful tool for the Backbench Business Committee to gauge the level of support for a particular subject.

BBC: Adjournment debate

At the other end Dyer proved a useful outlet for the Hammers, while striker Carlton Cole was only denied a shot on goal by a last-ditch tackle from the superb Nemanja Vidic.

BBC: Manchester United 3-0 West Ham