Relationship between peaking mass of isotope and average mass of isotopes in a separation cascade;
分离级联中出现峰值组分的质量与平均质量的关系
Considering non-spherical particles,starting from particles size distribution,the concept of the average mass was put forward,and the theoretical formula for calculating mass density of non-spherical particles was derived.
考虑非球形颗粒,从颗粒群粒度分布概念出发,提出了统计意义上的平均质量概念,推导了非球形颗粒物质量密度的理论公式。
This is constructed by using the equivalence of the two different methods in calculating the normalization constant of wave function and the mean value of energy.
在一维无限深方势阱的解析解的基础上,利用波函数的归一化常数及能量平均值的两种不同算法的等价性,导出了∑∞n=11n2、∑∞n=11n4等24个无穷级数的求和公式。
Single sampling procedures and tables for product quality audit by variables for mean value
GB/T14900-1994产品质量平均值的计量一次监督抽样检验程序及抽样表
Metric Extremum Properties of Radial P-th Mean Bodies of Simplices
单形径向P-次平均体的度量极值性质
Note： The Data of yield are mean value of30 plants, and data of quality are mean value of30 leaves.
注：表中产量数据为30株的平均值，品质数据为30片叶片的平均值。
average sample number
平均抽查数;平均检查量;平均取样量;平均值抽样数
The averages of chlorophyl and its ratio with SS were used as the measure indices of biomass.
将叶绿素及其与悬浮质的比值的平均数作为对生物量的衡量指标.
weighted mean value
加权平均值，计数平均值
correct(ed) average value
准确平均值，精确平均值
the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value.
接近平均数的二阶矩；平均值随机变量的偏差的平方的期待值。
The amount by which the average of a set of values departs from a reference value.
一组数值的平均值对某参考值的偏离量。
The ratio of the average power loss to the power loss under peak loading.
平均能量衰减与峰值负荷时能量衰减的比值。
ensemble average
集平均;统计平均值;系综平均值;总体均值
standard deviation of the arithmetic mean of a series of measurements
测量列算术平均值的标准（偏）差
The norm of a quaternion is similar to that of a vector.
四元数的平均值与矢量的有点相似。
The Mathematical Mean of the Physical Quantity and the Physical Experimental Error;
物理量的数学平均值和物理实验误差
Measuring the Noise of Amplifier with Mean Voltmeter;
利用平均值电压表测量放大器的噪声
The Problem of the Calculations of the Mean Value in Quantum Meohanics;
量子力学平均值计算时应注意的问题
below average in quality or performance.
在平均质量或性能以下的。
paper and board-sampling to determine average quality
纸和纸板-测定平均质量的取样