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...
Barry resigned his directorship in December 1973.巴里于1973年12月辞去了他的董事之职。I felt the December air slither down my leg.我感觉到十二月的冷风沿着腿直往下钻.The ensuing December days brought to Clyde some pleasing and yet complicating and distur...
那石级长满了地衣.The stone stairway was covered with lichen.墓碑长满了地衣,已在崩落.The tombstone was lichenous and crumbling.在南极洲所发现的植物只有藻类 、 苔藓和地衣.The only plants to be found in Antarctica are algae, mosses, and lichens....
...a magnificent collection of priceless artwork.令人叹为观止的价值连城的艺术收藏品The streets of Sao Paulo , Brazil are also rich with artwork.巴西圣包罗的街头随处可见艺术作品.This artwork is still a little dark compared to the proof.这一件艺术品与样本相比较还稍显模糊....
Methane and propane are alkanes.甲烷和丙烷是烷烃。Its main components include propane, butane and butylene.主要成份是丙烷 、 丁烷、丁烯等.a propane gas cylinder丙烷气钢瓶Fuel propane is scented with mercaptan odourants for leak detection.燃料丙烷通常添加硫醇...