他们把苹果按等级分类.

They sort apples by grade.

这在等级分类中未有体现.

This is not shown in the denomination.

飞机的舱级和宾馆的等级分类.

EXAMPLE Class of airline ticket and category of hotel in a hotel guide.

它是品牌等级分类中的最高等级品牌。

It is the brand of the highest classification level of the brand.

中文搜索引擎大都建立了各自的分类体系，大体可分为等级分类体系，分面组配分类体系和体系- 组配分类体系。

Many Chinese search engines have created their classification systems, such as hierarchical classification system faceted classification system and hierarchical -faceted classification system.

选择等效电容(介电参数之一)作为苹果等级分类变量.

The equivalent capacitance of inspected apple, one of dielectric parameters , is used as characteristic for sorting.

选择等效电容（介电参数之一）作为苹果等级分类变量。

The equivalent capacitance of inspected apple, one of dielectric parameters, is used as characteristic for sorting.

模糊模式识别工艺被应用于TIG焊接法质量的等级分类.

The fuzzy pattern recognition technique is then applied to classifying TIG weld quality.

在利用模糊数学评价法分别进行初步评价的基础上，最后进行太原盆地土壤质量综合评价和污染等级分类。

On the basis of preliminary evaluation with Fuzzy Mathematics method, we achieve the comprehensive evaluation of soil quality of Taiyuan Basin and classify the contaminative grades finally.