首页expectationexpectation英英释意

expectation

英 [ekspek'teɪʃ(ə)n]美[,ɛkspɛk'teʃən]
  • n. 期待;预期;指望

英英释意


1. belief about (or mental picture of) the future
2. wishing with confidence of fulfillment
3. the feeling that something is about to happen
4. the sum of the values of a random variable divided by the number of values
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