鸡蛋经过仔细检查,然后按重量分级。
Eggs are carefully inspected and then ___graded by weight.
老师根据清晰度和原创性给论文评分。
The teacher ___graded the essays based on clarity and originality.
在军队中,人员根据军衔和经验分级。
In the military, personnel are ___graded according to their rank and experience.