随机法

Ss group was by prepared by k-files with step-back technique. all canals were obturated using lateral condensation technique.

将245颗具弯曲根管需行根管治疗的磨牙随机分为两组，he组用hero642镍钛锉及冠根向深入法预备根管，ss组用k锉及逐步后退技术预备根管。

METHODS: After instrumented with hand protaper Ni-Ti instruments, 28 permanent teeth with single canal were divided evenly into four groups at random. Group A was obturated by LC technique, while group B, C and D were filled by Obtura Ⅱ system with temperature settings at 160℃, 180℃and 200℃.

28个离体单根管恒牙，根管预备后随机均分为4组：A组用传统的泠牙胶侧压充填法进行充填，B、C、D组用Obtura Ⅱ系统将牙胶分别加热至160℃、180℃、200℃进行充填。

At the same time, in order to analysis some indeterminacy of structure for example physics and geometric parameter, constraint conditions, stochastic wavelet FEM is proponed. Those methods make the applications of wavelet in structure engineering become more extensive.

同时，为了分析由于结构的物理、几何参数和约束条件等不确定性而引发的工程结构性能的不确定性，提出了随机小波有限元法，从而使小波在结构工程中的应用更加全面。

Only 27 percent of studies were randomized, and only 14 percent were blinded.

只有27%的设备是随机研究，仅14%采用的是盲法研究。

The whole paper can be divided into 8 chapters, Chapter 1 retrospects the investigation history of the theory of reliability and random finite element.

全文共分为八章，第一章是对可靠度理论及随机有限元法的历史回顾。

Methods To divide randomly 150 women of 14～18 week pregnancy who volunteer to cease conception into three different roups:A,B and C,namely group by rivanol,group by mifepristone combining with misoprostol,and group by mifepristone plus rivanol,and observe the induction effect,time of commencement of uterine contraction,time from uterine contraction to fetal discharge,and quantity of bleeding on induced labor,etc.

目的 探讨对14～18周妊娠几种不同引产方法的效果。方法将150例妊娠14～18周自愿要求终止妊娠者随机分成A、B、C3组，即利凡诺组、米非司酮联合米索前列醇组、米非司酮加用利凡诺组，观察各组的引产效果、宫缩发动时间、宫缩到胎儿排出时间、引产出血量等情况。

Thronging simulates the pseudo-random IP method, the results show that this method can improve the efficiency and obtain multiple parameters at same time.

模拟说明伪随机激电法可以成倍地进步效率，同时得到地电模型中的多个异常参数。

The empirical research adopt the Implicit Association Test,which take the reaction time difference as measurement.

本文运用内隐联想测量法来探讨大学生性别—学科刻板印象的加工模式，采用3×2×2的三因素完全随机设计进行实验研究。

Objective To explore blood collection methods for tree shrews and improve the succeed rate of experiment. Methods Total 50 tree shrews were divided into 5 groups(10 in each group).

目的 探讨树鼩的采血方法，提高树鼩实验的成功率方法随机将50只树鼩分五组（每组10只），分别使用不同采血法，比较它们的成功率。

Based on the thorough study of sources and characteristics of the three errors in laser collimation technology, an error correction method by integrating multi-point detection, multi-variant polynomial step-by-step regression analysis and adaptive noise-elimination is proposed. The influences of beam drift, bending and whipping are taken into consideration to enhance the stability of plumb datum line.

在深入分析激光准直技术中三项主要误差因素来源及其特性的基础上，提出了利用多点监测、多元多项式逐步回归分析法与自适应除噪技术相结合的综合修正方案，建立铅垂基准线的修正模型，综合考虑了激光漂移、光线弯曲以及随机抖动等因素的影响，从而有效提高了铅垂基准线的稳定度。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。