When the estimator is unbiased, the numerical estimate is frequently also called unbiased.当估计量无偏时, 数字估计值也常叫做无偏的.We are discussing whether OLS estimator satisfy asymptotic normality.我们讨论是否OLS估计量满足渐近正态性.The performance of ...
In this paper the Ridge - Stein combined estimator ( RSC ) is presented for linear pushbroom imagery exterior orientation.本文提出采用岭压缩组合估计解决线阵列推扫式影像的外定向问题.When the estimator is unbiased, the numerical estimate is frequently...
The village was formed of semicircle huts.这个村庄是由半圆形的茅舍组成的.He indicated a semicircle with a radius of about thirty miles.他标示出了一个半径大约为30英里的半圆形。a semicircle of chairs摆成半圆形的椅子We sat in a semicircle facing the teacher.我们面对着老师...
He then changed into overalls and spent the next eight hours as a dustman.然后他换上工装裤,作为清洁工人度过接下去的八小时.You shouldn't look down upon him just because he is a dustman.你不应该因为他是个清洁工就轻视他.Mr Brown is a dustman while his wife ...
She couldn't lift a spoon without a servant anticipating her wants and getting it for her...要是没有仆人事先想她所想并为她准备妥当，她连汤匙也举不起来。...a couple anticipating the arrival of a new child.盼望着孩子出生的一对夫妇Anticipating that it would so...
每次返回，我都会惊讶于澳大利亚及其国民的与众不同。Each time I returned I was struck by the uniqueness of Australia and its people.你认为选民们会相信总统对国民的炉边演说 吗 ?Do you think the voters will be convinced by the President's fireside address to the na...
Until today germanium is the present substance on earth with no exception.直至今天锗才毫无异议地成为地球上是纯净的物质.Doped silicon and germanium are technologically the most important types of semiconducting material.添加硅和锗在工艺上是半导体物质中最重要的类型....