查询词典 sampling methods

The results show that the man-powered sampling device can produce much better response than the battery-driven sampler and that, to get satisfactory anomalies, we should totally collect more than 9 liters of pumping gases at each sampling site.

在已知隐伏矿区，利用合适的液态捕集剂进行了动态累积测量不同采样装置及抽气量效果对比试验，结果表明，手提式采样器装置系统效果明显优于大气采样器装置系统，每点采样量在9L以上效果较好。

Detect equipment series: metallographic analysis (USA Jenco optical microscope, image analysis system for measurement, metallographic analysis software), biopsy sampling manual / semi-automatic / automatic gong style Microsection sampling machine .

检测仪器设备系列：金相分析(美国Jenco金相显微镜、影像量测分析系统、金相分析软件)、切片取样（手动/半自动/全自动锣式金相切片取样机。

According to the analysis of real pitch errors within the mechanical angle of 0°~360°, the reason that caused the bouncing pitch errors between odd sampling and even sampling is the noneffective voltage of inductosyn angular measuring system.

根据实际测量得到测角系统在0°~360°之间全部零位误差数据，分析测角系统产生奇、偶点跳跃零位误差的原因来自于感应同步器测角系统引入的非有效电势。

A tabulating technique of normal distribution sampling and a correlation sampling technique are utilized to simulate bus load uncertainty and correlation.

一个正态分布取样列成表的技术方法和相关抽样技术被利用来模拟母线负荷的不确定性和相关性。

In order to determine the convergence of the line sampling -based reliability sensitivity method,the variance and the variation coefficient were derived for the reliability sensitivity estimation based on the line sampling .

为判别线抽样可靠性灵敏度分析的收敛性，推导了线抽样可靠性灵敏度估计量的方差和变异系数的计算公式，近似计算了线抽样可靠性灵敏度在给定置信度下的置信区间。

Theoretically shown, the fractionally spaced equalization has a sampling rate higher than the Nyquist rate so as to be insensitive to sampling phase, overleap a matched filter, which is superior to the symbol rate equalization.

从理论上指出小数抽头均衡器所用采样速率不低于Nyquist速率，因而具有对定时时刻不敏感、省缺匹配滤波器等优点，与整数抽头均衡器相比具有优越的性能。

Based on the characteristics of the parallel sampling monitor combined with SYC-- III peto tube, a calculating program for parallel sampling of stack dusts has been compiled, which is to some extent versatile .

结合SYC--Ⅲ型皮托管平行采样测试仪的特点，编制了具有一定通用性的烟尘平行采样计算程序。

Phase theory analysis of spatial integral sampling provide theoretical basis for under sampling aliasing reduction.

空间积分抽样相位理论分析为消减欠采样产生的折叠混淆效应提供了理论依据。

The data were collected from the public communities in random sampling and college students in subjective sampling. The survey were conducted in three stages, including pre-survey, pilot survey and main survey; response rate was 71%; and 956 valid copies of questionnaire were collected.

以社会公众和在校大学生作为研究对象，分别采用方便抽样和主观抽样，进行了三阶段的问卷调查，包括预试、初试和主试，问卷回收率71%，共收集有效问卷956份。

The probability of feasibility of the sampling method is analyzed and the required sampling size to obtain this probability is also derived.

本文同时分析了该样本方法求得的解的可行性概率，并估计了为达到这一可行性概率所需的样本的下界。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。