number average

The average valence number Zi and ni the average principle quantum number n iare described in this paper.

同时,定义了平均价电子数■i、平均主量子数■i,通过对过渡元素QSPR研究,■i、■i对复杂原子的描写优于价电子数Zi和主量子数ni。

Because the exact value of the Martian axial precession is presently unknown, the mean moment-of-inertia ratio, I / MR2, of Mars cannot be derived as it is for the Earth or the Moon.

由于目前尚无法获得火星自转轴岁差的精确值，因此难以如同地球或月球那样导出火星的平均惯量矩系数Ｉ／ＭＲ２值。

having more than the average number of accidents.

发生事故的数量比平均数量高。

average sample number

平均抽查数;平均检查量;平均取样量;平均值抽样数

average logarithmic energy decrement

平均对数能量衰减率

an indefinite quantity that is above the average in size or magnitude.

在大小数量上超出平均水平的不定量。

an indefinite quantity that is below average size or magnitude.

低于平均大小或数量的不确定量。

take an average

平均起来算，算出平均数

weighted mean value

加权平均值，计数平均值

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。

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。

above average in size or number or quantity or magnitude or extent.

超出平均尺寸、号码、数量、大小或范围的。

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

There was a positive correlation between protein content and average daily temperature and average sunshine time during heading to maturation, but a negative correlation existed between protein content and average diurnal variation of temperature in this period.

蛋白质含量与抽穗－成熟期间的平均日均温和平均日照时数呈正相关，与平均昼夜温差呈负相关。

Estimation of depth-dependent hydraulic conductivity and deformation modulus using RQD

利用RQD估算岩体不同深度的平均渗透系数和平均变形模量

The number of hours I work per work averages out to 40.

我做每项工作的小时的数量达到平均数40。

lifetime average

(产奶量) 终生平均

even amounts of butter and sugar; on even terms; it was a fifty-fifty (or even) split; had a fifty-fifty (or even) chance; an even fight.

黄油和糖的数量对等；不相上下；平分；机会均等；势均力敌的战斗。

In practice, new recognitions per year are held at an average of20 to25.

实际上，每年承认的数量平均控制在20到25个。