standard of grading的用法和樣例：
例句
- Two-five months later, effectiveness assessment was made by the PVS standard scale.
按持續性植物狀態(tài)評分標準進(jìn)行療效評定。 - Finally, it is also possible that the grading system itself is easier for the students in Marlee as opposed to the system in Sanlee.
最后，還有可能馬里區學(xué)生的評分標準比三里區的較為容易。
