expected value

英 [ɪkˈspektɪd ˈvæljuː]

美 [ɪkˈspektɪd ˈvæljuː]

期望（预期）值

计算机化学

英英释义

noun

• the sum of the values of a random variable divided by the number of values
  Synonym:arithmetic meanfirst momentexpectation

双语例句

• The method assert compares an expected value to an actual value for the particular test scenario.
  这个方法assert在这个特殊的测试情景下，将期望值与实际值进行了对比。
• Study and Application of DEA Model Based on the Expected Value
  基于期望值的DEA模型研究及应用
• The weighted mean of the random variable is the expected value.
  随机变量的加权平均值是期望值。
• Build a regular expression that describes the expected value format and put it in the pattern attribute.
  构建一个说明所期望值格式的正则表达式，并将其放到pattern属性中。
• The variance of a random variable measures how far from the expected value its values typically are.
  随机变量的方差衡量随机变量值与期望值偏离的程度。
• This would be unfortunate, however, because$ 10m is already the expected value of the asset.
  但这可真令人遗憾，因为1000万美元已经是该资产的预期价值。
• Expected value of a probability distribution
  一种概率分布的期望值
• A new method to count the expected value and variance of time dispersion is presented for time dispersion of underwater optical wireless communication.
  给出了一种计算水下无线光通信中时域展宽的均值和方差的新方法；
• Besides, a set of survey data is analyzed in this method from the aspects of traditional "Expected Value Theory" and "Prospect Theory" correspondingly.
  从传统的期望效用理论和前景理论两个方面，对一份关于出行者路径选择的调查数据进行了分析；
• It compares the expected value to the actual value read from the event occurrence data to determine if duplicate events were consolidated.
  它会比较预期的值和从事件发生数据读取的实际值，从而判断是否整合了重复事件。