A new method of calculating the average grade of ore deposit;
一种计算矿床平均品位的新方法
By analysis and comparison upon average grade and weighted average grade of blast-holes and average grade calculated by cubic-polynomial fitting,a conclusion has been made that average grade obtained through above mentioned calculation is more practical and conforming with the change rule of geological grade.
通过对炮孔平均品位、炮孔加权平均品位、三次多项式拟合法计算平均品位的分析与比较,得出了三次多项式拟合法计算平均品位较结合实际,符合地质品位变化规律的结论。
Some elementary proof on equivalence of relation between exponential average E(a,b) (=1/e(b~b/a~a)~(1/(b-a)), a, b are non-equal two positive numbers) and arithmetic average M(o,b)(=1/2(a+b)) were given.
给出指数平均(a,b是不相等的两正数)与算术平均关系的初等证明。
In this paper, we analyzed the relationship between the number of drawn sort standards and the total number of national standards by using grey incidence analysis and arithmetic average method, obstained the distributed situation and tendency of the sort standards in recent years, and discussed the relationship between drawn sort standards and national standard systems.
文章运用灰色关联分析方法和算术平均方法分析了不同类别国家标准制定数与国家标准总数的关系,得到了国家标准中分类标准的分布情况,了解了制定的国家标准的变化趋势,同时探讨了不同类别制定国家标准与我国国家标准体系的关系。
By differential criterion of convex function in several variables,this paper proves that the arithmetic mean involving convex function is convex to upper limit and lower limit of the integral,which improves a result relating to the S-convex function,with the latter proved by Elezovic,N.
利用二元函数为凸函数的微分判别准则,证明了二阶可微的一元凸函数的算术平均值关于积分上下限为凸函数,加强了其是S-凸函数的一个结论。
Furthermore, a monotonic continuous function joint and separate the weighted arithmetic mean and harmonic mean is given.
在一定条件下得到加权的算术平均、几何平均和调和平均不等式链的一种加细形式，并由此推出加权的 ｋｙ Ｆａｎ 不等式和王王不等式。
For improving the control of subdivision curves, the method based on employing geometric mean instead of arithmetic mean is proposed in the linear four-point scheme, to obtain nonlinear subdivision scheme,and the offset parameters is introduced for improving the control of subdivision curves.
为了提高对细分曲线形状控制,提出以几何平均(ab)～(1/2)替换四点插值细分算法中的算术平均(a+b)/2 ,从而得到非线性的均匀细分算法,引入偏移参数以提高细分曲线形状控制。
Therefore, the average trend were reflected in arithmetical mean of the every sample were not right.
从大气环境地面自动监测系统提供的大气污染物时间 -浓度变化曲线来看 ,污染物的实测值的分布并非呈正态分布 ,因此 ,用各样本值的算术平均值来反映整体的平均趋势就不确切。
The mathematical mean of the physical quantity has multiple expressions forms, including arithmetical mean and geometric mean, etc.
物理量的数学平均值有算术平均值和几何平均值等多种表达形式,这些数学平均值所表达的物理含义是不同的。
They are respectively named cut-off grade, marginal grade, economic grade and the average grade of an ore deposit.
这4项品位指标依次为边界品位、边际品位、经济品位和矿床平均品位。
The value of investment for an ore deposit can be judged with the last one.
利用矿床平均品位可以衡量矿床是否具有投资价值。
Average sample
平均选样，平均样品
mean tide level
平均潮面平均潮面平均潮位
Unit sales are over the mean for the first quarter or above the first quarter mean .
单位产品销售额超过了第一季度的平均数。
The weighted average process costing method averages the costs for the beginning work in the process with the current production.
加权平均法将期初存货的成本加上本期发生的成本平均分摊到单位产品之上。
average wage expended on a product
产品平均工资支出量
index of average unit price paid
平均单位支付价格指数
Average Turn-over Rate
平均车位小时转换率
Annual Turn-over Rate
平均车位小时使用率
floating average position action
无静差的平均位置作用
The weighted average unit cost is computed by dividing the total cost of goods available for sale by the number of units available for sale.
加权平均单位成本是通过将可供销售的商品总成本除以可供销售的商品数量来求得的。
A Statistical Analysis of Average Water-table Fluctuation in Plain Areas of Beijing
北京市平原区平均地下水位变化分析
Steven: Well, as per capita income goes up and up, the growth sector seems to be in the high-end.
唔，由于每人的平均收入不断地增高，市场的发展领域似乎偏向于高价位商品。
Value are means of evaluation by 12 panelists.
数值是由12个成员品评平均求得。
The accumulative kinds of antimicrobials used were manifold with an average of 7.2 ±3.6 kind.
累计应用品种多,平均为(7.2±3.6)种;
Empirical Research on Influential Factors of Average Price of Commercial Housing;
商品房平均价格影响因素的实证研究
averagely-priced Home Ownership Scheme flat
平均售价的居者有其屋单位