| 单词 | 期望值 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔bargain〕Over and above what is expected; in addition.出乎意料：超出、超过了期望值；另外美国传统〔constrain〕Women are too often constrained by family commitments and by low expectations.女性常常受到家庭责任和低期望值的限制。外研社新世纪〔constrain〕Women are too often constrained by family commitments and by low expectations.女性往往受到家庭责任和低期望值的束缚。柯林斯高阶〔daunt〕He was daunted by the high quality of work they expected.他们对工作质量的高期望值令他感到畏惧。外研社新世纪〔expectation〕I have high expectations for this job (= I believe it will be good).我对这份工作的期望值很高。剑桥高阶〔expectation〕Students' expectations were as varied as their expertise.学生们的专长各有不同, 期望值也不一样。外研社新世纪〔expectation〕The expected value of a random variable.期望值：随意可变量的期望值美国传统〔expectation〕What should you do when an employee's performance is below expectation? 在雇员的业绩没有达到期望值时，你会怎样做 ?牛津搭配〔expected value〕The integral of the probability density function and a continuous random variable over its range of values.期望值：概率函数和超过其值域的随机变量的整数解美国传统〔expected value〕The sum of all possible values for a random variable, each value multiplied by its probability of occurrence.数学期望值：随意可变量各种可能的价值的总额，每一种价值都承认它出现的可能性美国传统〔go on〕Expectations have been raised with the Government going on about choice and market forces.政府不断地宣扬选择权和市场的力量，人们的期望值也因此提高了。柯林斯高阶〔match〕Children can be made to suffer when they fail to match their parents' expectations.孩子不能达到父母的期望值时，有可能会吃苦头。牛津搭配〔moment〕Statistics The expected value of a positive integral power of a random variable. The first moment is the mean of the distribution.【统计学】 矩，动差：任意变量的正整数功效的期望值。第一个矩是分配的平均数美国传统〔up〕Protesters have upped the ante by demanding that Wright resign.提高期望值；加大投入；加码麦克米伦高阶〔well-tried〕It's a well-tried tactic to play down public expectations in advance of a superpower summit.在超级大国的峰会之前降低公众的期望值是个屡试不爽的策略。柯林斯高阶〔workmanlike〕I had hoped for a little more from the world's greatest tenor, whose performance was workmanlike but hardly inspired.我对世界上最伟大的男高音的期望值更高一些，他的表演水平还行，却没什么激情。剑桥高阶According to one school of thought, the increase in divorce reflects the higher standards expected of marriage.根据某种思想体系的理论，离婚的增长反映了人们对婚姻的期望值更高。剑桥国际August car sales fell short of the industry's expectations.奥古斯特车的销售量未达到这个产业的期望值。剑桥国际I had hoped for a little more from the world's greatest tenor, whose performance was workmanlike but hardly inspired.我本来对世界上最伟大男高音歌手的期望值更高一些，但他的表演技艺尚可，却几乎没有什么激情。剑桥国际We're trying very hard to keep our prices in line with (= keep them similar to) what our customers expect.我们尽力使我们的价格与顾客的期望值相一致。剑桥国际 |
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