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。
These conditions should be appreciated when considering estimates of neighborhood size for forest trees given in the literature . 当参考文献中所给的林木邻域大小估计量时,这些情况都应当予以考虑。
Another study compared the actual use of fertilizers by farmers in puebla, mexico, with an estimate of the profit maximizing use . 另一项研究将墨西哥普埃布拉农民的实际化肥用量与利润最大化时的估计量作了比较。
The regression estimator in cluster random sampling 整群抽样回归估计量