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

• On an expected value basis, the obvious decision was to stick with finance.
  若按常人的观点，很显然，我应该坚持做我的金融。
• 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
• Expected value type instance on the stack.
  堆栈上需要值类型实例。
• 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
• 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。
• In particular, reinterpretation of the growth rate in terms of some form of expected value is required.
  特别是，重新解释的成长在一些形式上的预期值率是必需的。
• The expected value itself very rarely can help us.
  期望值本身很难帮助我们。
• The difference between an observed value and the expected value of a variable or function.
  一个受控变量的实际值和对应于给定的期望值之差。
• 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。