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

• Good development governance practices enable organizations to determine the extent to which development investments deliver on their expected value.
  好的开发治理实践能够让组织决定开发投资对其预期值的交付程度。
• 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。
• So how do you calculate the expected value for your investment in a tool?
  那么如何计算投资某种工具的期望值？
• Depending on what the expected value is, that could be trillionths or it could be millions.
  根据期望值不同，这个值可以是万亿分之一，也可以是数百万。
• Instead, treatments designed to modify the expected value of the drug or food type may prove more effective.
  相反，成瘾性的治疗旨在改变药物或食物种类预期价值的，也可能证明有更多有效性。
• 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。
• What is the expected value of these risks?
  这些风险的预期值是多少？
• The expected value of the square of the deviations of a random variable from the point of origin.
  偏离原点的随机变量的偏差平方的期望值。
• I come from a math background, I believe in expected value.
  我自己是学数学的，所以很相信期望值。
• ( statistics) approximating the statistical norm or average or expected value.
  （统计学）接近统计的标准、平均数或预期值的。