mean diameter

平均直径:在统计学中

常用释义

词性释义

平均直径:在统计学中,指一组数据中所有直径的总和除以直径数量得到的平均值。
例句
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1·The moon's mean diameter is generally calculated to be 2, 159 miles.
月球的平均直径大约为2,159英里。
2·Both scattering albedo and asymmetry factor increase with pores mean diameter.
散射反照率和非对称因子均随平均孔径增大而增大。
3·The size distribution and mean diameter were measured by laser light scattering technique.
动态激光粒度分析仪测定其平均粒径大小和分布;
4·Moreover, the results of laser Raman resonant measurements indicated a larger mean diameter of our SWNTs.
激光拉曼分析结果表明制得的单壁纳米碳管直径较大。
5·Self-aligning ball bearings of the mean diameter range are also available with seals (Figure 1.6) and a for-life grease fill.
平均直径变动的调心球承也可带密封(图1.6)和一个终身油脂填充。
6·With a mean diameter of 143.5 feet (43.7 meters) and a height of 295 feet (90 meters), the dome was the biggest built since Antiquity.
平均直径为143.5英尺(43.7米),高295英尺(90米),圆顶是自古以来最大的建造。
7·The permissible diameter variation (Vdmp, VDmp) is the tolerance for the maximum and minimum mean diameters of one measuring plane.
允许的尺寸变化量是考虑到了最大和最小平均直径公差的测量平面。
8·The effects of fluidization number, injection velocity, particle mean diameter and static bed height on jet fluctuation are discussed.
研究了流化数、射流初始速度、颗粒平均粒径及静态床层高度对射流脉动特性的影响。
9·The results showed that mass mean diameter (MMD), and drop size distribution parameter N changed with pressure drop, air velocity, and fuel viscosity.
结果表明,液雾的质量中间直径(MMD)和尺寸分布参数N将随着喷嘴压力降、空气流速、燃油性质而变化;
10·The contributions of wave component of different orders are dependence on the mean diameter, size distribution and relative refractive index of the particles.
且光谱基波分量及低次谐波分量的贡献依赖于粒子直径、标准偏差及相对折射率的大小。
同义词
[数][物]平均直径;中径;二次平均直径