grading中文什么意思

n.
1.【工业】平地面，减少斜度。
2.分品，分级，分段，校准。
3.粒度。

• age grading:    年龄分级; 年龄级差
• aggregate grading:    骨料级配; 集料级配; 选配骨料
• alphabetical grading:    以字母评定

例句与用法

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1. He himself had only finished the fourth grade .
   他自己只上完四年级。
2. He graded the students according to ability .
   他将学生们按能力分级。
3. A clade may contain many grades .
   一个进化枝可能包括许多进化级。
4. Well, we advertise grade a beef .
   可是，咱们标着卖的是甲级牛肉。
5. Grade cutoff is sharp within inches .
   数英寸内的品位变化很急剧。

英文释义

名词

1. evaluation of performance by assigning a grade or score; "what he disliked about teaching was all the grading he had to do"
   同义词：marking, scoring
2. changing the ground level to a smooth horizontal or gently sloping surface
   同义词：leveling
3. the act of arranging in a graduated series
   同义词：scaling