Arithmetic average deviation
美 [əˈrɪθmətɪk ˈævərɪdʒ ˌdiːviˈeɪʃn]英 [əˈrɪθmətɪk ˈævərɪdʒ ˌdiːviˈeɪʃn]
- （算术）平均偏差
Arithmetic average deviation-
The feasibility is verified by the measurement of a sample block . The effect of the resolution of the optical power detector is analyzed . The arithmetic average deviation value of the profile of a gage block of 0.012 μ m is ob - tained .
对一标准量块进行了测量，并对光功率计分辨率对测量结果的影响进行了分析，结果表明本系统在实验室现有条件下可以测量轮廓算术平均偏差Ra为0.012μm的粗糙度量块。