难检字字典在线查询

汉语拼音：píng jūn zhí

1.一个或一个以上变量的连续函数在给定区间内的积分除以该区间的测度。

2.主要是一个算术术语，指几个不相等的数之和除以这些数的个数而得出的数。

• Take the average of those ratios and multiply by a hundred.

  算出那些比率的平均值再乘以100。

• There have been four years of below average rainfall.

  已经有4年降雨量低于平均值了。

• Most areas suffered more rain than usual, with Northern Ireland getting double the average for the month.

  大部分地区降雨超过通常水平，北爱尔兰地区本月的降水量则为平均值的两倍。

• The standard deviation from the mean is the preferred quantity.

  用平均值得出标准偏差是优先采用衡量的单位.

• This figure is at most an approximate average value.

  这数字最多是个近似平均值.

• The term expectation value is often used instead of average value.

  期望值这个名称常用来代替平均值.

• These values should be regarded as rough averages only.

  这些数字只能视为粗略的平均值.

• The different averages depend upon which trees in the stand are selected.

  不同的平均值取决于在林分中抽选的林木.

• The process of producing a shift of the average value is called rectification.

  产生平均值移动的过程叫做整流.

• Let us first look at the simpler problem of finding the average of just two numbers.

  先来看一下比较简单的问题,只求两个数的平均值.

• If measurement errors occur randomly, one can expect their mean to approach zero.

  如果测量误差随机产生, 可以期望他们的平均值近于零.

• The mean effective population size could be estimated as a harmonic means of the Ne.

  估计出平均有效种群大小,作为所有世代Ne的调和平均值.

• Statistics also tells us how to compute measures such as averages or deviations.

  统计学也告诉我们如何计算能说明平均值和偏差数.

• The residual value is the observed value at the center minus this average.

  从圆心上的观测值减掉这个平均值,就得到剩余值.

• The chains would have conformed to the overall average.

  枪击链的长度应该和整体平均值相符合.