首先采用反锐化滤波器对血管造影图像进行对比度调整，然后通过频域高通滤波去除背景中的一致性成分。
We first employed the unsharp masking to adjust the contrast of angiograms, and then removed the consistent component of low frequency in frequency domain by high-pass filtering.
句子成分之间的数的一致性是中世纪蒙古语语法、句法的重要特点。
The numeral consistency between sentence elements is the most important character of Mongolian grammar and sentence structure in the Middle Mongolian.
结果表明：祁连山附近气温在空间上具有很好的一致性，年平均气温的第一主成分的方差贡献可占总方差的75%左右。
The results show temperature spatial variations have high consistency, the variance ratio contribution of the first principal component is about 75%.
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