常用相对标准差(RSD)来表示()
A.纯度
B.准确度
C.相对误差
D.限度
E.精密度
参考答案:E
—Oh,my God! It’s a sea of bike,How Can you your bike?
—That’s easy.My brake went wrong , besides I tied a red ribbon to it.
A.find out
B.pick out
C.take out
D.get out
差分GPS