查询词典 samplings

Objective:This paper proposes an iterative noncentral procedure for the sample size determination in log rank test and compares it with the LachinFoulkes procedure. Methods: Samplings are performed with a prescribed size.

本研究首先按临床数据实际分析过程说明设计参数赋值依据和生存研究所需样本量测定原则，然后提出迭代非中心法，即借助重复抽样估计其非中心参数，测定所需样本量，并同基于指数分布的方法进行比较。

Methods: Comparing and analyzing the samplings′ operation time, length of stay, Bhler angle Gissane angle and the foot function score.

对两组手术时间、住院时间、Bhler角与Gissane角及足部功能评分(Maryland足部功能评分)进行分析。

The samplings were developed under 100% and 70% boiler loads.

采样工况分别为100%和70%锅炉负荷。

Many works have been done about samplings application in data mining.

本文在总结现有相关工作的基础上，系统介绍了数据挖掘中抽样的应用及其相关问题，相信抽样在数据挖掘中的应用研究推动数据挖掘的发展。

A type of longitudinal survey design in which results from repeated independent samplings are compared over time.

一种纵向调查。对重复独立抽样的结果进行比较。

Percent of these particular samplings we were only able to find a family connection so the program s been suspended.

只有20%的DNA取样能找到他们的家人，所以只好终止该项目。

In Qingzhou city, 150 soil and water samplings were taken and tested in the laboratories.

本文以山东省青州市为例，在耕地中调查并取土样150处、水样150处进行分析。

For choosing samplings,two standards are adopted by the author.

为此，这部分用四章的篇幅就相关内容予以分析和评述。

Understand and explain how to proceed down and up samplings, and the effects generated in both time and frequency domains.

能了解及说明如何对离散信号做down 或 up 的取样及其於时域和频域所产生的效应 6。

The mean value of single observations drawn from a finite or infinite universe in repeated samplings.

即从有限的或无限的范围内反复抽样选出的所有单个观察值的平均数。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。