1.
Production and performance evaluation of high PG grade SBS modified asphalt with low viscosity
低粘度高PG等级SBS改性沥青研制及性能评价
2.
PG Grading of Cementing Material on Asphalt Pavement and Its Case Study
沥青路面沥青胶结料的PG分级及实例分析
3.
The Research of Prediction of Lean Yield with Destron PG-100 Optical Probe and Pork Carcass Grading System;
PG-100猪胴体分级仪瘦肉率预测及猪胴体分级标准的研究
4.
Studies on the Mechanism of the Decrease of Phosphatidylglycerol Content in Leaves of Higher Plant Under Phosphate Deficiency;
缺磷胁迫导致高等植物叶片中磷脂酰甘油（PG）含量降低的机理研究
5.
a step up in the corporate hierarchy.
在社团等级中晋升一级
6.
arithmetical progression
算术级数, 等差级数
7.
Senior Executive Service schedule
高级行政人员等级表
8.
a hierarchy of values [priorities]
价值 [序列] 级系 [等级体系]
9.
a high-ranking official, delegate, etc
高级官员、 代表等.
10.
a scale of wages, taxation
工资、 税率的等级
11.
API SERVICE GRADE CERTIFIED
API机构等级认证
12.
middle-of-the-road class
(小客车等的) 中等尺寸级
13.
goal gradient hypothesis
目标等级假说 目标等级假说
14.
The act of gradating or arranging in grades.
分等，分级按等级排列或安排的行为
15.
International Nuclear Event Scale
国际核事件等级表(等级表)
16.
For example click on" Rank" to sort the list by rank.
比如说点选”等级”来进行按等级排序。
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.
get an upper, a lower second
获得乙等一级、 乙等二级荣誉学位.