The key thing to remember about random variables is that actual observations are centered around an average, or mean value.

In addition, the cluster size, surface energy as well as the average root mean square displacement ( RMSD) of the clusters in the intermediate regime have been investigated.

另外，计算了中介区域的团簇的尺寸、熔化温度、表面能、熵、焓等热力学量以及均方根位移（RMSD）等动力学量，为研究纳米团簇提供定量数据。

It is shown that the shear strength of joint is concerned with normal stress and weighted average of mean profile angles of joint surface.

说明节理的抗剪强度与法向应力和节理表面形貌特征参数有关。

Meanwhile the average of mean square error of spectrums within 46 spectrum bands is reduced to 9.69.

46个谱段的光谱失真均方误差平均值减小到9.69，有效地保护了光谱信息。

The average relative mean deviation was 4 ± 3%.

光密度读数的平均相对偏差为4±3%。

The average Mean Score of English majors is a bit higher than that of Non-English majors. This means both of the two groups have similar ideas and opinions on many areas of classroom interaction except those on group work activities.

英语专业组比非英语专业组的均值数略高，这意味着这两组学生对课堂互动持有许多类似的看法和意见。

The quantizer can perform dynamic quantization for wavelet coefficients after the determination of the best quantization steps { qi} that minimize the average mean square error at a given bit rate.

在为DWT系数确定好一组使给定码率下均方误差（MSE）最小化的最佳量化步长{qi}后，该量化器将能够实现小波系数的动态量化。

Furthermore, the z-and the weight average mean square radii of gyration were investigated explicitly. PROBABILITY DISTRIBUTION OF THE RADIUS OF GYRATION OF UNIFORM STAR POLYMERS

对分子量分布平均后，给出了反应体系的重均和Z-均回转半径的精确表达式。规整星型高分子回转半径的几率分布

Figure out the average mean of total satisfaction-degree of a product and total satisfaction index of a product.

求出产品总体满意度均值和产品总体满意度指数。

The average mean square error of height anomaly is ± 0.173 m in three areas.

3个地区高程异常中误差平均值为±0.173m。

SAFC (AFC) Short-run average fixed cost

（短期）平均固定成本

s average variable cost function. ? An average fixed cost curve

平均固定成本曲线

Average fixed cost Total fixed cost divided by output.

平均固定成本总固定成本除以产量。

Average fixed cost : Refer to cost, average fixed.

平均固定成本：见平均固定成本

Average fixed cost: Total fixed cost divided by output. Average fixed cost declines as production is increased.

平均固定成本：总的固定成本除以产出。。随着生产的增加，平均固定成本会下降

The main hypnoses of the models are as follows: a leading manufacturer, a single product, a single period, complete and symmetrical information, linear demand function, linear supply function of used products, average fixed cost of channel cost, et al.

模型的主要假设是制造商主导、单一产品、单周期、信息完全且对称、需求量是需求价格的线性减函数，回收量是回收价格的线性增函数，销售和回收的单位渠道成本固定等。

Statement by Secretary Kerry on the Peoples Republic of China National Day

凯里部长关于中华人民共和国国庆节的声明

There was heavy traffic everywhere during the national day.

国庆节其间，到处的交通都很拥挤。

National Day is coming, and we can have a seven-day.

国庆节来了，我有七天的假期。我们一家去海南。

And all I kept thinking about was the fourth of july.

但我一直在想着国庆节。

What activities will be held in this National Day?

今年的国庆节都有什么庆祝活动啊？