noun 下载 🔗分享 估算员，预算员 A person who estimates, especially one who estimates costs Examples : "The construction company hired an estimator to determine the cost of building the new bridge. " 这家建筑公司雇佣了一名预算员来确定建造新桥的成本。 business job finance technical work economy industry 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 估计量，估算器。 A function of a random sample of a population used to estimate some parameter of the whole population Examples : "The sample mean of student test scores is a common estimator used to approximate the true average test score for the entire class. " 学生考试分数的样本均值是一种常用的估计量 (gūjìliàng)，用来近似估算全班学生的真实平均考试分数。 statistics math science 与AI对话词汇游戏阅读练习
