褶皱是指穿过指纹脊线和谷线的不规则条纹。
The crease is a kind of stripes irregularly crossing ridges and valleys in the fingerprint.
对于因雷达系统本身原因而产生的一些非周期不规则条纹噪声进行讨论，针对此类噪声提出一种二维频域区域滤波的算法。
We discuss the nonperiodic abnormal stripe noise due to the spaceborne SAR system itself, and present an area filtering method in two-dimensional frequency domain.
这些规则状的条纹属于舍什沙漠的一部分，位于非洲阿尔及利亚西南部荒凉的沙海，不断吹拂的大风创造出无数漂移不定、呈线性的沙丘。
These patterned stripes are part of Erg Chech, a desolate sand sea in southwestern Algeria, Africa, where the prevailing winds create an endlessly shifting collage of large, linear sand dunes.
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