当ts大于()时,采用等时测井或修正等时试井法。 A.5h B.7h C.10h D 发布时间:2021-01-11 22:49 │ 来源:www.tikuol.com 题型:单项选择题 问题: 当ts大于()时,采用等时测井或修正等时试井法。A.5hB.7hC.10hD.15h
题型:单项选择题 The standard normal distribution is most completely described as a:()A. symmetrical distribution with a mean equal to its median.B. normal distribution with a mean of zero and a standard deviation of one.C. distribution that exhibits zero skewness and no excess kurtosis. 查看答案