1.
extraction fractionation
提取分级（分离），萃取分级
2.
graduated rheostat
分级变阻器,分级电阻箱
3.
field flow fractionation
场流分级（分离）法
4.
nonadjacent level
非相邻级 -分级存储器的
5.
cell fractionation
细胞[组分的]分级分离
6.
Study on Grade Efficiency Mathematical Model of Multilevel Fluidization Classification Tower
多级散式流态化精密分级塔分级模型的研究
7.
The act of gradating or arranging in grades.
分等，分级按等级排列或安排的行为
8.
Classification for quality of coal--Classification for calorific value of coal
GB/T15224.3-1994煤炭质量分级煤炭发热量分级
9.
Study on Structure and Classification Performance of a Turbo Air Classifier;
涡流空气分级机结构与分级性能研究
10.
Developed on Grading Actuator System of Jujube Automatic Classifier
红枣自动分级机分级执行系统的研制
11.
Design and Experiment of a Screw for Grading of Lotus Seed
干壳莲子螺杆分级机设计与分级试验
12.
hosiery classification
袜子分级,袜子分类
13.
departmentalized and decentralized management of cost
成本分口、分级管理
14.
control of funds through different ranks
资金分口、分级管理
15.
branches of tidal creek systems increased to 6-7 grades.
潮沟系统分级增加，可达6～7级。
16.
The lower stratum divides again into Ds and Es.
下层又分成D级和E级。
17.
determine the grade of or assign a grade to.
给事物分出等级，给事物分出等级。
18.
To arrange or divide into categories, steps, or grades.
分成等级排列或分成类别，步骤或等级