...ics 4 / 6 : : Uncertainty(不确定度)和Significant Figures(有 效数字) Fractional error (相对误差)、Percent error(百分误差) 误差的表示,有效数字 有效数字的运算 科学计数法 Precision (精密度) 和 Accuracy (准确度)的区别 黄波 University Physics 4 ...
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... Pentagonal --> 五棱柱 Percent Error --> 误差率 Periodic/Cyclic Symmetry--> 周期/循环 阵列 ...
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Mean Absolute Percent Error 平均绝对百分比误差 ; 绝对误差百分比之平均 ; 误差百分比之平均 ; 预测结果误差评估标准采用平均绝对百分误差
mean percent error [统计] [数] 平均百分误差
absolute percent error 绝对百分比错误
rms percent error [统计] 均方根百分误差
Mean Square Percent Error 均方百分比误差
root-mean-square percent error 均方根百分误差
relative percent error 的相对百分误差
Percent error free seconds 无误码秒百分比
percent ratio error 变比误差百分数 ; 变比误差率
There were 3.4482 percent error between theoretical calculation and experiment.
理论计算的结果和实验结果比较误差在3.4482%左右。
Since you have a 1% error in l, you're going to have a half a percent error in your period, so that is about 0.02 seconds.
在l上有1%的误差,在周期上有,0。5%的误差,大概是0。02秒。
On top of that, Kepler's measurements of the star fell within a margin of error of just a few percent.
最重要的是,开普勒对恒星的测量,其误差降低到了几个百分点之内。
So this is the percent error and what you see here is that if the number is below the zero line it means people underestimated the calories, and the bars that go above means people overestimated the calories.
这是百分比误差,你们看,如果数字低于零,这表示人们低估了卡路里,高于零表示人们高估了卡路里
Highly educated people, a lot of you probably care a lot about food, think about labels, read them and things like that, not one person out of the 300-350 people in this room guessed correctly within ten percent margin of error.
你们受过高等教育,注意饮食健康,关注食品标签,等等,在10%的误差幅度下,在300-350个人中,没有一个人估计正确
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