Electric eels are long and usually gray-brown in color.
电鳗很长，通常为灰褐色。
I'm usually dark brown, but I also can be black, gray or shades of red.
我通常是深棕色的，但也可能是黑色、灰色或暗红色。
Places where concentrations of carbon monoxide were highest are red. Places where no measurements were made (usually due to clouds) are gray.
一氧化碳浓度最高的地区显示为红色，而没有测量结果的地方(通常是由于云遮挡的原因)为灰色。
The extracted objects with different ranges usually have different distribution of gray scale value, due to uneven distribution of light and various properties of the crack background of fingerprints.
由于光线分布不均匀或斑块噪音干扰等原因，往往使所要处理的指纹的灰度值分布缺乏均匀性。
Usually, object features include gray-scale (density, colour), feature, geometry shape, and so on.
常见的目标特征可分为灰度(密度、颜色)特征、纹理特征和几何形状特征等。
They are usually well circumscribed, gray-white and cystic, with a medullary location, and are often surrounded by a rim of compressed fibrous tissue.
它们通常较局限，灰白色，囊性，主要发生在髓质，周围常包绕纤密的纤维组织。
Any of several5-needled pines with white wood and smooth usually light gray bark when young; especially the eastern white pine.
白色木质且光滑的一种五针松，幼树树皮呈浅灰色；特别指东部白松。
It usually is made of well-normalized or aged gray or nodular cast iron and provides a heavy, rigid frame on which all the other basic components are mounted.
它通常是由经过充分正火或时效处理的灰铸铁或者球墨铸铁制成。它是一个坚固的刚性框架，所有其他基本部件都安装在床身上。通常在床身上有内外两组平行的导轨。
Image preprocessing is usually consisted of following steps: quality assessment, mean filtering, gray normalization, gray equalization, the Oriental filtering, binarization as well as thinning.
指纹预处理一般包括以下几个步骤：图像质量评估、均值滤波、灰度归一化、灰度均衡化、方向滤波、二值化以及细线化。
Short, smooth and sleek, solid color, in shades of mouse-gray to silver-gray, usually blending to lighter shades on the head and ears.
短、平顺、且光滑，纯色，从鼠灰色到银灰色，通常头部和耳朵的颜色比较浅。
Non-texture images usually have simple content, and can be properly segmented by gray level threshold.
根据所适用的分割算法的不同，我们将林林总总的图像简单的分为纹理图像和非纹理图像。
The pulp and paper made from deinked waste paper usually show dark yellow or gray white. In this paper, colored hand tissues manufactured by dying process is introduced.
用废纸脱墨浆生产彩色擦手纸，通过染色调色的方法解决了废纸脱墨浆生产的纸白度不高、颜色黯淡、色调不正的问题。
The pulp and paper made from deinked waste paper usually show dark yellow or gray white. In this paper, colored hand tissues manufactured by dying process is introduced.
用废纸脱墨浆生产彩色擦手纸，通过染色调色的方法解决了废纸脱墨浆生产的纸白度不高、颜色黯淡、色调不正的问题。
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