用于追踪存货的商品最小分类单位。
Stock keeping unit-a number associated with a particular product, used to track inventory.
属是植物分类单位。
经调查统计，黄山风景区野生木本有毒植物资源共有40科77属105种（包括种下分类单位）。
The investigation in 2006-2007 showed that there were of 105 species wild woody poisonous plants, which were subordinate to 40 families, 77genus.
初步报道晋祠泉水所形成的地面水体中的硅藻种类，共有138个分类单位，其中有8个是我国新记录。
The present paper is a preliminary report on Diatoms of surface water from spring in Jin ci area, there are 138 taxa, among which there are 8 species to be recorded for the first time in China.
基于统计的中文分词按照分类单位划分，通常可分为基于汉字标注的分词和基于全切分图的分词两种方法。
There are two kinds of statistical word segmentation, one is by character labeling and the other is based Omni-segmentation.
叶表皮特征能较好地解决分种问题，并为确定本属中各分类单位之间的演化趋势，亲缘关系等提供有参考价值的依据。
The characters of leaf epidermis can be used in diagnosing species and elucidating the evolutionary trend and relationship among the species in the genus.
同一种或种下分类单位，由于材料来源不同，所表现的基本酶谱型与地理分布有关，基本上与草地区划中的地段相吻合。
The zymographs of the same species or taxa which come from different areas were related to the geographic distribution of M. ruthenica, and it corresponded with the sectors in the grassland division.
对化石发现进行分类是出了名的难——对于各种生理特性重要程度的判定可谓众口难调，而且一有新发现便会编入一个新的分类单位。
Fossil finds are notoriously difficult to classify—people disagree on which physiological features are important; and each new find represents a class of one.
对化石发现进行分类是出了名的难——对于各种生理特性重要程度的判定可谓众口难调，而且一有新发现便会编入一个新的分类单位。
Fossil finds are notoriously difficult to classify—people disagree on which physiological features are important; and each new find represents a class of one.
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