accurate class of gear 齿轮精度等级
So the rough numbers for this are as follows and actually later on in the class I'll give you some more accurate numbers, but these will do for now.
大概的数据如下,一会我会提供更精确的数据,我一会儿会给大家更精确地数据,目前为止这些数据就够用
and I asked you to give yourself a percentage rating relative to the rest of the class, then if everybody was accurate, or at least not systematically biased, the number should add up to 50%.
我要你相比于其他同学的表现,给自己一个百分数,如果大家都准确地评价自己,或者说大家都不偏心于自己,那么平均百分数应该是50%的。
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