分级标准 meaning in Chinese
grade scale
grading rules
grading standards
Examples
- Standards for classification and gradation of soil erosion
土壤侵蚀分类分级标准 - Standards of classification for groundwater resources
地下水资源分类分级标准 - Wood poles for overhead lines - strength grading criteria
架空线用木杆.强度分级标准 - Wood poles for overhead lines - strength grading criteria
架空线用木杆.强度分级标准 - Standard for engineering classification of rock masses
工程岩体分级标准