What generally distinguishes "a" grade wood from "AA" grade is the presence of some slight color in the wood and some variation in the uniformity of texture.
级和AA级木材的区别在于：A级木材存在一些颜色的轻微变化，木材结构的均匀度有一些变化。
Parameters, based on the NGLDM, such as fineness, coarseness, entropy, second moment, and non uniformity parameter were introduced to describe the texture of froth.
引入了基于该矩阵的细度参数、粗度参数、二阶距参数、熵参数及不均匀性等特征参数来描述泡沫的结构。
The effects of molecular weight, molecular weight distribution and melt-spinning conditions of polypropylene resins on texture formation and non-uniformity of polypropylene fibers were investigated.
本文研究了聚丙烯树脂、纺丝条件等对聚丙烯纺丝过程中纤维不均匀性的影响。
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